420976920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2029}}^1$

素因数の和:2082

約数の個数: 256

約数和(自身を含む): 1636992000

約数和(自身を除く): 1216015080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1235, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1976, 1995, 2029, 2184, 2280, 2470, 2660, 2730, 2964, 3192, 3458, 3640, 3705, 3990, 4058, 4940, 5187, 5320, 5460, 5928, 6087, 6916, 7410, 7980, 8116, 8645, 9880, 10145, 10374, 10920, 12174, 13832, 14203, 14820, 15960, 16232, 17290, 20290, 20748, 24348, 25935, 26377, 28406, 29640, 30435, 34580, 38551, 40580, 41496, 42609, 48696, 51870, 52754, 56812, 60870, 69160, 71015, 77102, 79131, 81160, 85218, 103740, 105508, 113624, 115653, 121740, 131885, 142030, 154204, 158262, 170436, 184639, 192755, 207480, 211016, 213045, 231306, 243480, 263770, 269857, 284060, 308408, 316524, 340872, 369278, 385510, 395655, 426090, 462612, 501163, 527540, 539714, 553917, 568120, 578265, 633048, 738556, 771020, 791310, 809571, 852180, 923195, 925224, 1002326, 1055080, 1079428, 1107834, 1156530, 1349285, 1477112, 1503489, 1542040, 1582620, 1619142, 1704360, 1846390, 2004652, 2158856, 2215668, 2313060, 2505815, 2698570, 2769585, 3006978, 3165240, 3238284, 3508141, 3692780, 4009304, 4047855, 4431336, 4626120, 5011630, 5397140, 5539170, 6013956, 6476568, 7016282, 7385560, 7517445, 8095710, 10023260, 10524423, 10794280, 11078340, 12027912, 14032564, 15034890, 16191420, 17540705, 20046520, 21048846, 22156680, 28065128, 30069780, 32382840, 35081410, 42097692, 52622115, 60139560, 70162820, 84195384, 105244230, 140325640, 210488460, 420976920]

約数ペア:

[(1, 420976920), (2, 210488460), (3, 140325640), (4, 105244230), (5, 84195384), (6, 70162820), (7, 60139560), (8, 52622115), (10, 42097692), (12, 35081410), (13, 32382840), (14, 30069780), (15, 28065128), (19, 22156680), (20, 21048846), (21, 20046520), (24, 17540705), (26, 16191420), (28, 15034890), (30, 14032564), (35, 12027912), (38, 11078340), (39, 10794280), (40, 10524423), (42, 10023260), (52, 8095710), (56, 7517445), (57, 7385560), (60, 7016282), (65, 6476568), (70, 6013956), (76, 5539170), (78, 5397140), (84, 5011630), (91, 4626120), (95, 4431336), (104, 4047855), (105, 4009304), (114, 3692780), (120, 3508141), (130, 3238284), (133, 3165240), (140, 3006978), (152, 2769585), (156, 2698570), (168, 2505815), (182, 2313060), (190, 2215668), (195, 2158856), (210, 2004652), (228, 1846390), (247, 1704360), (260, 1619142), (266, 1582620), (273, 1542040), (280, 1503489), (285, 1477112), (312, 1349285), (364, 1156530), (380, 1107834), (390, 1079428), (399, 1055080), (420, 1002326), (455, 925224), (456, 923195), (494, 852180), (520, 809571), (532, 791310), (546, 771020), (570, 738556), (665, 633048), (728, 578265), (741, 568120), (760, 553917), (780, 539714), (798, 527540), (840, 501163), (910, 462612), (988, 426090), (1064, 395655), (1092, 385510), (1140, 369278), (1235, 340872), (1330, 316524), (1365, 308408), (1482, 284060), (1560, 269857), (1596, 263770), (1729, 243480), (1820, 231306), (1976, 213045), (1995, 211016), (2029, 207480), (2184, 192755), (2280, 184639), (2470, 170436), (2660, 158262), (2730, 154204), (2964, 142030), (3192, 131885), (3458, 121740), (3640, 115653), (3705, 113624), (3990, 105508), (4058, 103740), (4940, 85218), (5187, 81160), (5320, 79131), (5460, 77102), (5928, 71015), (6087, 69160), (6916, 60870), (7410, 56812), (7980, 52754), (8116, 51870), (8645, 48696), (9880, 42609), (10145, 41496), (10374, 40580), (10920, 38551), (12174, 34580), (13832, 30435), (14203, 29640), (14820, 28406), (15960, 26377), (16232, 25935), (17290, 24348), (20290, 20748)]