306731480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 785998080

約数和(自身を除く): 479266600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 83, 88, 110, 148, 166, 185, 220, 227, 296, 332, 370, 407, 415, 440, 454, 664, 740, 814, 830, 908, 913, 1135, 1480, 1628, 1660, 1816, 1826, 2035, 2270, 2497, 3071, 3256, 3320, 3652, 4070, 4540, 4565, 4994, 6142, 7304, 8140, 8399, 9080, 9130, 9988, 12284, 12485, 15355, 16280, 16798, 18260, 18841, 19976, 24568, 24970, 30710, 33596, 33781, 36520, 37682, 41995, 49940, 61420, 67192, 67562, 75364, 83990, 92389, 94205, 99880, 122840, 135124, 150728, 167980, 168905, 184778, 188410, 207251, 270248, 335960, 337810, 369556, 376820, 414502, 461945, 675620, 697117, 739112, 753640, 829004, 923890, 1036255, 1351240, 1394234, 1658008, 1847780, 2072510, 2788468, 3485585, 3695560, 4145020, 5576936, 6971170, 7668287, 8290040, 13942340, 15336574, 27884680, 30673148, 38341435, 61346296, 76682870, 153365740, 306731480]

約数ペア:

[(1, 306731480), (2, 153365740), (4, 76682870), (5, 61346296), (8, 38341435), (10, 30673148), (11, 27884680), (20, 15336574), (22, 13942340), (37, 8290040), (40, 7668287), (44, 6971170), (55, 5576936), (74, 4145020), (83, 3695560), (88, 3485585), (110, 2788468), (148, 2072510), (166, 1847780), (185, 1658008), (220, 1394234), (227, 1351240), (296, 1036255), (332, 923890), (370, 829004), (407, 753640), (415, 739112), (440, 697117), (454, 675620), (664, 461945), (740, 414502), (814, 376820), (830, 369556), (908, 337810), (913, 335960), (1135, 270248), (1480, 207251), (1628, 188410), (1660, 184778), (1816, 168905), (1826, 167980), (2035, 150728), (2270, 135124), (2497, 122840), (3071, 99880), (3256, 94205), (3320, 92389), (3652, 83990), (4070, 75364), (4540, 67562), (4565, 67192), (4994, 61420), (6142, 49940), (7304, 41995), (8140, 37682), (8399, 36520), (9080, 33781), (9130, 33596), (9988, 30710), (12284, 24970), (12485, 24568), (15355, 19976), (16280, 18841), (16798, 18260)]