215222280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19709}}^1$

素因数の和:19743

約数の個数: 128

約数和(自身を含む): 794707200

約数和(自身を除く): 579484920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19709, 39418, 59127, 78836, 98545, 118254, 137963, 157672, 197090, 236508, 256217, 275926, 295635, 394180, 413889, 473016, 512434, 551852, 591270, 689815, 768651, 788360, 827778, 1024868, 1103704, 1182540, 1281085, 1379630, 1537302, 1655556, 1793519, 2049736, 2069445, 2365080, 2562170, 2759260, 3074604, 3311112, 3587038, 3843255, 4138890, 5124340, 5380557, 5518520, 6149208, 7174076, 7686510, 8277780, 8967595, 10248680, 10761114, 14348152, 15373020, 16555560, 17935190, 21522228, 26902785, 30746040, 35870380, 43044456, 53805570, 71740760, 107611140, 215222280]

約数ペア:

[(1, 215222280), (2, 107611140), (3, 71740760), (4, 53805570), (5, 43044456), (6, 35870380), (7, 30746040), (8, 26902785), (10, 21522228), (12, 17935190), (13, 16555560), (14, 15373020), (15, 14348152), (20, 10761114), (21, 10248680), (24, 8967595), (26, 8277780), (28, 7686510), (30, 7174076), (35, 6149208), (39, 5518520), (40, 5380557), (42, 5124340), (52, 4138890), (56, 3843255), (60, 3587038), (65, 3311112), (70, 3074604), (78, 2759260), (84, 2562170), (91, 2365080), (104, 2069445), (105, 2049736), (120, 1793519), (130, 1655556), (140, 1537302), (156, 1379630), (168, 1281085), (182, 1182540), (195, 1103704), (210, 1024868), (260, 827778), (273, 788360), (280, 768651), (312, 689815), (364, 591270), (390, 551852), (420, 512434), (455, 473016), (520, 413889), (546, 394180), (728, 295635), (780, 275926), (840, 256217), (910, 236508), (1092, 197090), (1365, 157672), (1560, 137963), (1820, 118254), (2184, 98545), (2730, 78836), (3640, 59127), (5460, 39418), (10920, 19709)]