72418920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1275

約数の個数: 128

約数和(自身を含む): 251907840

約数和(自身を除く): 179488920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1181, 1460, 1533, 1752, 2044, 2190, 2362, 2555, 2920, 3066, 3543, 4088, 4380, 4724, 5110, 5905, 6132, 7086, 7665, 8267, 8760, 9448, 10220, 11810, 12264, 14172, 15330, 16534, 17715, 20440, 23620, 24801, 28344, 30660, 33068, 35430, 41335, 47240, 49602, 61320, 66136, 70860, 82670, 86213, 99204, 124005, 141720, 165340, 172426, 198408, 248010, 258639, 330680, 344852, 431065, 496020, 517278, 603491, 689704, 862130, 992040, 1034556, 1206982, 1293195, 1724260, 1810473, 2069112, 2413964, 2586390, 3017455, 3448520, 3620946, 4827928, 5172780, 6034910, 7241892, 9052365, 10345560, 12069820, 14483784, 18104730, 24139640, 36209460, 72418920]

約数ペア:

[(1, 72418920), (2, 36209460), (3, 24139640), (4, 18104730), (5, 14483784), (6, 12069820), (7, 10345560), (8, 9052365), (10, 7241892), (12, 6034910), (14, 5172780), (15, 4827928), (20, 3620946), (21, 3448520), (24, 3017455), (28, 2586390), (30, 2413964), (35, 2069112), (40, 1810473), (42, 1724260), (56, 1293195), (60, 1206982), (70, 1034556), (73, 992040), (84, 862130), (105, 689704), (120, 603491), (140, 517278), (146, 496020), (168, 431065), (210, 344852), (219, 330680), (280, 258639), (292, 248010), (365, 198408), (420, 172426), (438, 165340), (511, 141720), (584, 124005), (730, 99204), (840, 86213), (876, 82670), (1022, 70860), (1095, 66136), (1181, 61320), (1460, 49602), (1533, 47240), (1752, 41335), (2044, 35430), (2190, 33068), (2362, 30660), (2555, 28344), (2920, 24801), (3066, 23620), (3543, 20440), (4088, 17715), (4380, 16534), (4724, 15330), (5110, 14172), (5905, 12264), (6132, 11810), (7086, 10220), (7665, 9448), (8267, 8760)]