16995440

素因数分解:

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

素因数の和:151

約数の個数: 160

約数和(自身を含む): 51425280

約数和(自身を除く): 34429840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 89, 110, 112, 124, 140, 154, 155, 176, 178, 217, 220, 248, 280, 308, 310, 341, 356, 385, 434, 440, 445, 496, 560, 616, 620, 623, 682, 712, 770, 868, 880, 890, 979, 1085, 1232, 1240, 1246, 1364, 1424, 1540, 1705, 1736, 1780, 1958, 2170, 2387, 2480, 2492, 2728, 2759, 3080, 3115, 3410, 3472, 3560, 3916, 4340, 4774, 4895, 4984, 5456, 5518, 6160, 6230, 6820, 6853, 7120, 7832, 8680, 9548, 9790, 9968, 11036, 11935, 12460, 13640, 13706, 13795, 15664, 17360, 19096, 19313, 19580, 22072, 23870, 24920, 27280, 27412, 27590, 30349, 34265, 38192, 38626, 39160, 44144, 47740, 49840, 54824, 55180, 60698, 68530, 77252, 78320, 95480, 96565, 109648, 110360, 121396, 137060, 151745, 154504, 190960, 193130, 212443, 220720, 242792, 274120, 303490, 309008, 386260, 424886, 485584, 548240, 606980, 772520, 849772, 1062215, 1213960, 1545040, 1699544, 2124430, 2427920, 3399088, 4248860, 8497720, 16995440]

約数ペア:

[(1, 16995440), (2, 8497720), (4, 4248860), (5, 3399088), (7, 2427920), (8, 2124430), (10, 1699544), (11, 1545040), (14, 1213960), (16, 1062215), (20, 849772), (22, 772520), (28, 606980), (31, 548240), (35, 485584), (40, 424886), (44, 386260), (55, 309008), (56, 303490), (62, 274120), (70, 242792), (77, 220720), (80, 212443), (88, 193130), (89, 190960), (110, 154504), (112, 151745), (124, 137060), (140, 121396), (154, 110360), (155, 109648), (176, 96565), (178, 95480), (217, 78320), (220, 77252), (248, 68530), (280, 60698), (308, 55180), (310, 54824), (341, 49840), (356, 47740), (385, 44144), (434, 39160), (440, 38626), (445, 38192), (496, 34265), (560, 30349), (616, 27590), (620, 27412), (623, 27280), (682, 24920), (712, 23870), (770, 22072), (868, 19580), (880, 19313), (890, 19096), (979, 17360), (1085, 15664), (1232, 13795), (1240, 13706), (1246, 13640), (1364, 12460), (1424, 11935), (1540, 11036), (1705, 9968), (1736, 9790), (1780, 9548), (1958, 8680), (2170, 7832), (2387, 7120), (2480, 6853), (2492, 6820), (2728, 6230), (2759, 6160), (3080, 5518), (3115, 5456), (3410, 4984), (3472, 4895), (3560, 4774), (3916, 4340)]