641437920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4013}}^1$

素因数の和:4074

約数の個数: 192

約数和(自身を含む): 2306283840

約数和(自身を除く): 1664845920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 216, 222, 240, 270, 288, 296, 333, 360, 370, 432, 444, 480, 540, 555, 592, 666, 720, 740, 864, 888, 999, 1080, 1110, 1184, 1332, 1440, 1480, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3330, 3552, 3996, 4013, 4320, 4440, 4995, 5328, 5920, 6660, 7992, 8026, 8880, 9990, 10656, 12039, 13320, 15984, 16052, 17760, 19980, 20065, 24078, 26640, 31968, 32104, 36117, 39960, 40130, 48156, 53280, 60195, 64208, 72234, 79920, 80260, 96312, 108351, 120390, 128416, 144468, 148481, 159840, 160520, 180585, 192624, 216702, 240780, 288936, 296962, 321040, 361170, 385248, 433404, 445443, 481560, 541755, 577872, 593924, 642080, 722340, 742405, 866808, 890886, 963120, 1083510, 1155744, 1187848, 1336329, 1444680, 1484810, 1733616, 1781772, 1926240, 2167020, 2227215, 2375696, 2672658, 2889360, 2969620, 3467232, 3563544, 4008987, 4334040, 4454430, 4751392, 5345316, 5778720, 5939240, 6681645, 7127088, 8017974, 8668080, 8908860, 10690632, 11878480, 13363290, 14254176, 16035948, 17336160, 17817720, 20044935, 21381264, 23756960, 26726580, 32071896, 35635440, 40089870, 42762528, 53453160, 64143792, 71270880, 80179740, 106906320, 128287584, 160359480, 213812640, 320718960, 641437920]

約数ペア:

[(1, 641437920), (2, 320718960), (3, 213812640), (4, 160359480), (5, 128287584), (6, 106906320), (8, 80179740), (9, 71270880), (10, 64143792), (12, 53453160), (15, 42762528), (16, 40089870), (18, 35635440), (20, 32071896), (24, 26726580), (27, 23756960), (30, 21381264), (32, 20044935), (36, 17817720), (37, 17336160), (40, 16035948), (45, 14254176), (48, 13363290), (54, 11878480), (60, 10690632), (72, 8908860), (74, 8668080), (80, 8017974), (90, 7127088), (96, 6681645), (108, 5939240), (111, 5778720), (120, 5345316), (135, 4751392), (144, 4454430), (148, 4334040), (160, 4008987), (180, 3563544), (185, 3467232), (216, 2969620), (222, 2889360), (240, 2672658), (270, 2375696), (288, 2227215), (296, 2167020), (333, 1926240), (360, 1781772), (370, 1733616), (432, 1484810), (444, 1444680), (480, 1336329), (540, 1187848), (555, 1155744), (592, 1083510), (666, 963120), (720, 890886), (740, 866808), (864, 742405), (888, 722340), (999, 642080), (1080, 593924), (1110, 577872), (1184, 541755), (1332, 481560), (1440, 445443), (1480, 433404), (1665, 385248), (1776, 361170), (1998, 321040), (2160, 296962), (2220, 288936), (2664, 240780), (2960, 216702), (3330, 192624), (3552, 180585), (3996, 160520), (4013, 159840), (4320, 148481), (4440, 144468), (4995, 128416), (5328, 120390), (5920, 108351), (6660, 96312), (7992, 80260), (8026, 79920), (8880, 72234), (9990, 64208), (10656, 60195), (12039, 53280), (13320, 48156), (15984, 40130), (16052, 39960), (17760, 36117), (19980, 32104), (20065, 31968), (24078, 26640)]