128697840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4831}}^1$

素因数の和:4887

約数の個数: 120

約数和(自身を含む): 443983488

約数和(自身を除く): 315285648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 4440, 4831, 5328, 6660, 8880, 9662, 13320, 14493, 19324, 24155, 26640, 28986, 38648, 43479, 48310, 57972, 72465, 77296, 86958, 96620, 115944, 144930, 173916, 178747, 193240, 217395, 231888, 289860, 347832, 357494, 386480, 434790, 536241, 579720, 695664, 714988, 869580, 893735, 1072482, 1159440, 1429976, 1608723, 1739160, 1787470, 2144964, 2681205, 2859952, 3217446, 3478320, 3574940, 4289928, 5362410, 6434892, 7149880, 8043615, 8579856, 10724820, 12869784, 14299760, 16087230, 21449640, 25739568, 32174460, 42899280, 64348920, 128697840]

約数ペア:

[(1, 128697840), (2, 64348920), (3, 42899280), (4, 32174460), (5, 25739568), (6, 21449640), (8, 16087230), (9, 14299760), (10, 12869784), (12, 10724820), (15, 8579856), (16, 8043615), (18, 7149880), (20, 6434892), (24, 5362410), (30, 4289928), (36, 3574940), (37, 3478320), (40, 3217446), (45, 2859952), (48, 2681205), (60, 2144964), (72, 1787470), (74, 1739160), (80, 1608723), (90, 1429976), (111, 1159440), (120, 1072482), (144, 893735), (148, 869580), (180, 714988), (185, 695664), (222, 579720), (240, 536241), (296, 434790), (333, 386480), (360, 357494), (370, 347832), (444, 289860), (555, 231888), (592, 217395), (666, 193240), (720, 178747), (740, 173916), (888, 144930), (1110, 115944), (1332, 96620), (1480, 86958), (1665, 77296), (1776, 72465), (2220, 57972), (2664, 48310), (2960, 43479), (3330, 38648), (4440, 28986), (4831, 26640), (5328, 24155), (6660, 19324), (8880, 14493), (9662, 13320)]