221697840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10151}}^1$

素因数の和:10187

約数の個数: 160

約数和(自身を含む): 845945856

約数和(自身を除く): 624248016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10151, 10920, 20302, 21840, 30453, 40604, 50755, 60906, 71057, 81208, 101510, 121812, 131963, 142114, 152265, 162416, 203020, 213171, 243624, 263926, 284228, 304530, 355285, 395889, 406040, 426342, 487248, 527852, 568456, 609060, 659815, 710570, 791778, 812080, 852684, 923741, 1055704, 1065855, 1136912, 1218120, 1319630, 1421140, 1583556, 1705368, 1847482, 1979445, 2111408, 2131710, 2436240, 2639260, 2771223, 2842280, 3167112, 3410736, 3694964, 3958890, 4263420, 4618705, 5278520, 5542446, 5684560, 6334224, 7389928, 7917780, 8526840, 9237410, 10557040, 11084892, 13856115, 14779856, 15835560, 17053680, 18474820, 22169784, 27712230, 31671120, 36949640, 44339568, 55424460, 73899280, 110848920, 221697840]

約数ペア:

[(1, 221697840), (2, 110848920), (3, 73899280), (4, 55424460), (5, 44339568), (6, 36949640), (7, 31671120), (8, 27712230), (10, 22169784), (12, 18474820), (13, 17053680), (14, 15835560), (15, 14779856), (16, 13856115), (20, 11084892), (21, 10557040), (24, 9237410), (26, 8526840), (28, 7917780), (30, 7389928), (35, 6334224), (39, 5684560), (40, 5542446), (42, 5278520), (48, 4618705), (52, 4263420), (56, 3958890), (60, 3694964), (65, 3410736), (70, 3167112), (78, 2842280), (80, 2771223), (84, 2639260), (91, 2436240), (104, 2131710), (105, 2111408), (112, 1979445), (120, 1847482), (130, 1705368), (140, 1583556), (156, 1421140), (168, 1319630), (182, 1218120), (195, 1136912), (208, 1065855), (210, 1055704), (240, 923741), (260, 852684), (273, 812080), (280, 791778), (312, 710570), (336, 659815), (364, 609060), (390, 568456), (420, 527852), (455, 487248), (520, 426342), (546, 406040), (560, 395889), (624, 355285), (728, 304530), (780, 284228), (840, 263926), (910, 243624), (1040, 213171), (1092, 203020), (1365, 162416), (1456, 152265), (1560, 142114), (1680, 131963), (1820, 121812), (2184, 101510), (2730, 81208), (3120, 71057), (3640, 60906), (4368, 50755), (5460, 40604), (7280, 30453), (10151, 21840), (10920, 20302)]