12956790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 39813120

約数和(自身を除く): 26856330

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 71, 77, 79, 105, 110, 142, 154, 158, 165, 210, 213, 231, 237, 330, 355, 385, 395, 426, 462, 474, 497, 553, 710, 770, 781, 790, 869, 994, 1065, 1106, 1155, 1185, 1491, 1562, 1659, 1738, 2130, 2310, 2343, 2370, 2485, 2607, 2765, 2982, 3318, 3905, 4345, 4686, 4970, 5214, 5467, 5530, 5609, 6083, 7455, 7810, 8295, 8690, 10934, 11218, 11715, 12166, 13035, 14910, 16401, 16590, 16827, 18249, 23430, 26070, 27335, 28045, 30415, 32802, 33654, 36498, 39263, 54670, 56090, 60830, 61699, 78526, 82005, 84135, 91245, 117789, 123398, 164010, 168270, 182490, 185097, 196315, 235578, 308495, 370194, 392630, 431893, 588945, 616990, 863786, 925485, 1177890, 1295679, 1850970, 2159465, 2591358, 4318930, 6478395, 12956790]

約数ペア:

[(1, 12956790), (2, 6478395), (3, 4318930), (5, 2591358), (6, 2159465), (7, 1850970), (10, 1295679), (11, 1177890), (14, 925485), (15, 863786), (21, 616990), (22, 588945), (30, 431893), (33, 392630), (35, 370194), (42, 308495), (55, 235578), (66, 196315), (70, 185097), (71, 182490), (77, 168270), (79, 164010), (105, 123398), (110, 117789), (142, 91245), (154, 84135), (158, 82005), (165, 78526), (210, 61699), (213, 60830), (231, 56090), (237, 54670), (330, 39263), (355, 36498), (385, 33654), (395, 32802), (426, 30415), (462, 28045), (474, 27335), (497, 26070), (553, 23430), (710, 18249), (770, 16827), (781, 16590), (790, 16401), (869, 14910), (994, 13035), (1065, 12166), (1106, 11715), (1155, 11218), (1185, 10934), (1491, 8690), (1562, 8295), (1659, 7810), (1738, 7455), (2130, 6083), (2310, 5609), (2343, 5530), (2370, 5467), (2485, 5214), (2607, 4970), (2765, 4686), (2982, 4345), (3318, 3905)]