642543720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2029}}^1$

素因数の和:2092

約数の個数: 256

約数和(自身を含む): 2455488000

約数和(自身を除く): 1812944280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 52, 56, 58, 60, 65, 70, 78, 84, 87, 91, 104, 105, 116, 120, 130, 140, 145, 156, 168, 174, 182, 195, 203, 210, 232, 260, 273, 280, 290, 312, 348, 364, 377, 390, 406, 420, 435, 455, 520, 546, 580, 609, 696, 728, 754, 780, 812, 840, 870, 910, 1015, 1092, 1131, 1160, 1218, 1365, 1508, 1560, 1624, 1740, 1820, 1885, 2029, 2030, 2184, 2262, 2436, 2639, 2730, 3016, 3045, 3480, 3640, 3770, 4058, 4060, 4524, 4872, 5278, 5460, 5655, 6087, 6090, 7540, 7917, 8116, 8120, 9048, 10145, 10556, 10920, 11310, 12174, 12180, 13195, 14203, 15080, 15834, 16232, 20290, 21112, 22620, 24348, 24360, 26377, 26390, 28406, 30435, 31668, 39585, 40580, 42609, 45240, 48696, 52754, 52780, 56812, 58841, 60870, 63336, 71015, 79131, 79170, 81160, 85218, 105508, 105560, 113624, 117682, 121740, 131885, 142030, 158262, 158340, 170436, 176523, 184639, 211016, 213045, 235364, 243480, 263770, 284060, 294205, 316524, 316680, 340872, 353046, 369278, 395655, 411887, 426090, 470728, 527540, 553917, 568120, 588410, 633048, 706092, 738556, 764933, 791310, 823774, 852180, 882615, 923195, 1055080, 1107834, 1176820, 1235661, 1412184, 1477112, 1529866, 1582620, 1647548, 1704360, 1765230, 1846390, 2059435, 2215668, 2294799, 2353640, 2471322, 2769585, 3059732, 3165240, 3295096, 3530460, 3692780, 3824665, 4118870, 4431336, 4589598, 4942644, 5354531, 5539170, 6119464, 6178305, 7060920, 7385560, 7649330, 8237740, 9179196, 9885288, 10709062, 11078340, 11473995, 12356610, 15298660, 16063593, 16475480, 18358392, 21418124, 22156680, 22947990, 24713220, 26772655, 30597320, 32127186, 42836248, 45895980, 49426440, 53545310, 64254372, 80317965, 91791960, 107090620, 128508744, 160635930, 214181240, 321271860, 642543720]

約数ペア:

[(1, 642543720), (2, 321271860), (3, 214181240), (4, 160635930), (5, 128508744), (6, 107090620), (7, 91791960), (8, 80317965), (10, 64254372), (12, 53545310), (13, 49426440), (14, 45895980), (15, 42836248), (20, 32127186), (21, 30597320), (24, 26772655), (26, 24713220), (28, 22947990), (29, 22156680), (30, 21418124), (35, 18358392), (39, 16475480), (40, 16063593), (42, 15298660), (52, 12356610), (56, 11473995), (58, 11078340), (60, 10709062), (65, 9885288), (70, 9179196), (78, 8237740), (84, 7649330), (87, 7385560), (91, 7060920), (104, 6178305), (105, 6119464), (116, 5539170), (120, 5354531), (130, 4942644), (140, 4589598), (145, 4431336), (156, 4118870), (168, 3824665), (174, 3692780), (182, 3530460), (195, 3295096), (203, 3165240), (210, 3059732), (232, 2769585), (260, 2471322), (273, 2353640), (280, 2294799), (290, 2215668), (312, 2059435), (348, 1846390), (364, 1765230), (377, 1704360), (390, 1647548), (406, 1582620), (420, 1529866), (435, 1477112), (455, 1412184), (520, 1235661), (546, 1176820), (580, 1107834), (609, 1055080), (696, 923195), (728, 882615), (754, 852180), (780, 823774), (812, 791310), (840, 764933), (870, 738556), (910, 706092), (1015, 633048), (1092, 588410), (1131, 568120), (1160, 553917), (1218, 527540), (1365, 470728), (1508, 426090), (1560, 411887), (1624, 395655), (1740, 369278), (1820, 353046), (1885, 340872), (2029, 316680), (2030, 316524), (2184, 294205), (2262, 284060), (2436, 263770), (2639, 243480), (2730, 235364), (3016, 213045), (3045, 211016), (3480, 184639), (3640, 176523), (3770, 170436), (4058, 158340), (4060, 158262), (4524, 142030), (4872, 131885), (5278, 121740), (5460, 117682), (5655, 113624), (6087, 105560), (6090, 105508), (7540, 85218), (7917, 81160), (8116, 79170), (8120, 79131), (9048, 71015), (10145, 63336), (10556, 60870), (10920, 58841), (11310, 56812), (12174, 52780), (12180, 52754), (13195, 48696), (14203, 45240), (15080, 42609), (15834, 40580), (16232, 39585), (20290, 31668), (21112, 30435), (22620, 28406), (24348, 26390), (24360, 26377)]