220940720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 320

約数和(自身を含む): 719953920

約数和(自身を除く): 499013200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 31, 35, 40, 44, 52, 55, 56, 62, 65, 70, 77, 80, 88, 89, 91, 104, 110, 112, 124, 130, 140, 143, 154, 155, 176, 178, 182, 208, 217, 220, 248, 260, 280, 286, 308, 310, 341, 356, 364, 385, 403, 434, 440, 445, 455, 496, 520, 560, 572, 616, 620, 623, 682, 712, 715, 728, 770, 806, 868, 880, 890, 910, 979, 1001, 1040, 1085, 1144, 1157, 1232, 1240, 1246, 1364, 1424, 1430, 1456, 1540, 1612, 1705, 1736, 1780, 1820, 1958, 2002, 2015, 2170, 2288, 2314, 2387, 2480, 2492, 2728, 2759, 2821, 2860, 3080, 3115, 3224, 3410, 3472, 3560, 3640, 3916, 4004, 4030, 4340, 4433, 4628, 4774, 4895, 4984, 5005, 5456, 5518, 5642, 5720, 5785, 6160, 6230, 6448, 6820, 6853, 7120, 7280, 7832, 8008, 8060, 8099, 8680, 8866, 9256, 9548, 9790, 9968, 10010, 11036, 11284, 11440, 11570, 11935, 12460, 12727, 13640, 13706, 13795, 14105, 15664, 16016, 16120, 16198, 17360, 17732, 18512, 19096, 19313, 19580, 20020, 22072, 22165, 22568, 23140, 23870, 24920, 25454, 27280, 27412, 27590, 28210, 30349, 31031, 32240, 32396, 34265, 35464, 35867, 38192, 38626, 39160, 40040, 40495, 44144, 44330, 45136, 46280, 47740, 49840, 50908, 54824, 55180, 56420, 60698, 62062, 63635, 64792, 68530, 70928, 71734, 77252, 78320, 80080, 80990, 88660, 89089, 92560, 95480, 96565, 101816, 109648, 110360, 112840, 121396, 124124, 127270, 129584, 137060, 143468, 151745, 154504, 155155, 161980, 177320, 178178, 179335, 190960, 193130, 203632, 212443, 220720, 225680, 242792, 248248, 251069, 254540, 274120, 286936, 303490, 309008, 310310, 323960, 354640, 356356, 358670, 386260, 394537, 424886, 445445, 485584, 496496, 502138, 509080, 548240, 573872, 606980, 620620, 647920, 712712, 717340, 772520, 789074, 849772, 890890, 1004276, 1018160, 1062215, 1213960, 1241240, 1255345, 1425424, 1434680, 1545040, 1578148, 1699544, 1781780, 1972685, 2008552, 2124430, 2427920, 2482480, 2510690, 2761759, 2869360, 3156296, 3399088, 3563560, 3945370, 4017104, 4248860, 5021380, 5523518, 6312592, 7127120, 7890740, 8497720, 10042760, 11047036, 13808795, 15781480, 16995440, 20085520, 22094072, 27617590, 31562960, 44188144, 55235180, 110470360, 220940720]

約数ペア:

[(1, 220940720), (2, 110470360), (4, 55235180), (5, 44188144), (7, 31562960), (8, 27617590), (10, 22094072), (11, 20085520), (13, 16995440), (14, 15781480), (16, 13808795), (20, 11047036), (22, 10042760), (26, 8497720), (28, 7890740), (31, 7127120), (35, 6312592), (40, 5523518), (44, 5021380), (52, 4248860), (55, 4017104), (56, 3945370), (62, 3563560), (65, 3399088), (70, 3156296), (77, 2869360), (80, 2761759), (88, 2510690), (89, 2482480), (91, 2427920), (104, 2124430), (110, 2008552), (112, 1972685), (124, 1781780), (130, 1699544), (140, 1578148), (143, 1545040), (154, 1434680), (155, 1425424), (176, 1255345), (178, 1241240), (182, 1213960), (208, 1062215), (217, 1018160), (220, 1004276), (248, 890890), (260, 849772), (280, 789074), (286, 772520), (308, 717340), (310, 712712), (341, 647920), (356, 620620), (364, 606980), (385, 573872), (403, 548240), (434, 509080), (440, 502138), (445, 496496), (455, 485584), (496, 445445), (520, 424886), (560, 394537), (572, 386260), (616, 358670), (620, 356356), (623, 354640), (682, 323960), (712, 310310), (715, 309008), (728, 303490), (770, 286936), (806, 274120), (868, 254540), (880, 251069), (890, 248248), (910, 242792), (979, 225680), (1001, 220720), (1040, 212443), (1085, 203632), (1144, 193130), (1157, 190960), (1232, 179335), (1240, 178178), (1246, 177320), (1364, 161980), (1424, 155155), (1430, 154504), (1456, 151745), (1540, 143468), (1612, 137060), (1705, 129584), (1736, 127270), (1780, 124124), (1820, 121396), (1958, 112840), (2002, 110360), (2015, 109648), (2170, 101816), (2288, 96565), (2314, 95480), (2387, 92560), (2480, 89089), (2492, 88660), (2728, 80990), (2759, 80080), (2821, 78320), (2860, 77252), (3080, 71734), (3115, 70928), (3224, 68530), (3410, 64792), (3472, 63635), (3560, 62062), (3640, 60698), (3916, 56420), (4004, 55180), (4030, 54824), (4340, 50908), (4433, 49840), (4628, 47740), (4774, 46280), (4895, 45136), (4984, 44330), (5005, 44144), (5456, 40495), (5518, 40040), (5642, 39160), (5720, 38626), (5785, 38192), (6160, 35867), (6230, 35464), (6448, 34265), (6820, 32396), (6853, 32240), (7120, 31031), (7280, 30349), (7832, 28210), (8008, 27590), (8060, 27412), (8099, 27280), (8680, 25454), (8866, 24920), (9256, 23870), (9548, 23140), (9790, 22568), (9968, 22165), (10010, 22072), (11036, 20020), (11284, 19580), (11440, 19313), (11570, 19096), (11935, 18512), (12460, 17732), (12727, 17360), (13640, 16198), (13706, 16120), (13795, 16016), (14105, 15664)]