72878520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 256

約数和(自身を含む): 267079680

約数和(自身を除く): 194201160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 31, 33, 39, 40, 44, 52, 55, 60, 62, 65, 66, 78, 88, 93, 104, 110, 120, 124, 130, 132, 137, 143, 155, 156, 165, 186, 195, 220, 248, 260, 264, 274, 286, 310, 312, 330, 341, 372, 390, 403, 411, 429, 440, 465, 520, 548, 572, 620, 660, 682, 685, 715, 744, 780, 806, 822, 858, 930, 1023, 1096, 1144, 1209, 1240, 1320, 1364, 1370, 1430, 1507, 1560, 1612, 1644, 1705, 1716, 1781, 1860, 2015, 2046, 2055, 2145, 2418, 2728, 2740, 2860, 3014, 3224, 3288, 3410, 3432, 3562, 3720, 4030, 4092, 4110, 4247, 4290, 4433, 4521, 4836, 5115, 5343, 5480, 5720, 6028, 6045, 6820, 7124, 7535, 8060, 8184, 8220, 8494, 8580, 8866, 8905, 9042, 9672, 10230, 10686, 12056, 12090, 12741, 13299, 13640, 14248, 15070, 16120, 16440, 16988, 17160, 17732, 17810, 18084, 19591, 20460, 21235, 21372, 22165, 22605, 24180, 25482, 26598, 26715, 30140, 33976, 35464, 35620, 36168, 39182, 40920, 42470, 42744, 44330, 45210, 46717, 48360, 50964, 53196, 53430, 55211, 58773, 60280, 63705, 66495, 71240, 78364, 84940, 88660, 90420, 93434, 97955, 101928, 106392, 106860, 110422, 117546, 127410, 132990, 140151, 156728, 165633, 169880, 177320, 180840, 186868, 195910, 213720, 220844, 233585, 235092, 254820, 265980, 276055, 280302, 293865, 331266, 373736, 391820, 441688, 467170, 470184, 509640, 531960, 552110, 560604, 587730, 607321, 662532, 700755, 783640, 828165, 934340, 1104220, 1121208, 1175460, 1214642, 1325064, 1401510, 1656330, 1821963, 1868680, 2208440, 2350920, 2429284, 2803020, 3036605, 3312660, 3643926, 4858568, 5606040, 6073210, 6625320, 7287852, 9109815, 12146420, 14575704, 18219630, 24292840, 36439260, 72878520]

約数ペア:

[(1, 72878520), (2, 36439260), (3, 24292840), (4, 18219630), (5, 14575704), (6, 12146420), (8, 9109815), (10, 7287852), (11, 6625320), (12, 6073210), (13, 5606040), (15, 4858568), (20, 3643926), (22, 3312660), (24, 3036605), (26, 2803020), (30, 2429284), (31, 2350920), (33, 2208440), (39, 1868680), (40, 1821963), (44, 1656330), (52, 1401510), (55, 1325064), (60, 1214642), (62, 1175460), (65, 1121208), (66, 1104220), (78, 934340), (88, 828165), (93, 783640), (104, 700755), (110, 662532), (120, 607321), (124, 587730), (130, 560604), (132, 552110), (137, 531960), (143, 509640), (155, 470184), (156, 467170), (165, 441688), (186, 391820), (195, 373736), (220, 331266), (248, 293865), (260, 280302), (264, 276055), (274, 265980), (286, 254820), (310, 235092), (312, 233585), (330, 220844), (341, 213720), (372, 195910), (390, 186868), (403, 180840), (411, 177320), (429, 169880), (440, 165633), (465, 156728), (520, 140151), (548, 132990), (572, 127410), (620, 117546), (660, 110422), (682, 106860), (685, 106392), (715, 101928), (744, 97955), (780, 93434), (806, 90420), (822, 88660), (858, 84940), (930, 78364), (1023, 71240), (1096, 66495), (1144, 63705), (1209, 60280), (1240, 58773), (1320, 55211), (1364, 53430), (1370, 53196), (1430, 50964), (1507, 48360), (1560, 46717), (1612, 45210), (1644, 44330), (1705, 42744), (1716, 42470), (1781, 40920), (1860, 39182), (2015, 36168), (2046, 35620), (2055, 35464), (2145, 33976), (2418, 30140), (2728, 26715), (2740, 26598), (2860, 25482), (3014, 24180), (3224, 22605), (3288, 22165), (3410, 21372), (3432, 21235), (3562, 20460), (3720, 19591), (4030, 18084), (4092, 17810), (4110, 17732), (4247, 17160), (4290, 16988), (4433, 16440), (4521, 16120), (4836, 15070), (5115, 14248), (5343, 13640), (5480, 13299), (5720, 12741), (6028, 12090), (6045, 12056), (6820, 10686), (7124, 10230), (7535, 9672), (8060, 9042), (8184, 8905), (8220, 8866), (8494, 8580)]