20740518720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{64879}}^1$

素因数の和:64942

約数の個数: 224

約数和(自身を含む): 75146611200

約数和(自身を除く): 54406092480

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, 64, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 270, 288, 296, 320, 333, 360, 370, 432, 444, 480, 540, 555, 576, 592, 666, 720, 740, 864, 888, 960, 999, 1080, 1110, 1184, 1332, 1440, 1480, 1665, 1728, 1776, 1998, 2160, 2220, 2368, 2664, 2880, 2960, 3330, 3552, 3996, 4320, 4440, 4995, 5328, 5920, 6660, 7104, 7992, 8640, 8880, 9990, 10656, 11840, 13320, 15984, 17760, 19980, 21312, 26640, 31968, 35520, 39960, 53280, 63936, 64879, 79920, 106560, 129758, 159840, 194637, 259516, 319680, 324395, 389274, 519032, 583911, 648790, 778548, 973185, 1038064, 1167822, 1297580, 1557096, 1751733, 1946370, 2076128, 2335644, 2400523, 2595160, 2919555, 3114192, 3503466, 3892740, 4152256, 4671288, 4801046, 5190320, 5839110, 6228384, 7006932, 7201569, 7785480, 8758665, 9342576, 9602092, 10380640, 11678220, 12002615, 12456768, 14013864, 14403138, 15570960, 17517330, 18685152, 19204184, 20761280, 21604707, 23356440, 24005230, 28027728, 28806276, 31141920, 35034660, 36007845, 37370304, 38408368, 43209414, 46712880, 48010460, 56055456, 57612552, 62283840, 64814121, 70069320, 72015690, 76816736, 86418828, 93425760, 96020920, 108023535, 112110912, 115225104, 129628242, 140138640, 144031380, 153633472, 172837656, 186851520, 192041840, 216047070, 230450208, 259256484, 280277280, 288062760, 324070605, 345675312, 384083680, 432094140, 460900416, 518512968, 560554560, 576125520, 648141210, 691350624, 768167360, 864188280, 1037025936, 1152251040, 1296282420, 1382701248, 1728376560, 2074051872, 2304502080, 2592564840, 3456753120, 4148103744, 5185129680, 6913506240, 10370259360, 20740518720]

約数ペア:

[(1, 20740518720), (2, 10370259360), (3, 6913506240), (4, 5185129680), (5, 4148103744), (6, 3456753120), (8, 2592564840), (9, 2304502080), (10, 2074051872), (12, 1728376560), (15, 1382701248), (16, 1296282420), (18, 1152251040), (20, 1037025936), (24, 864188280), (27, 768167360), (30, 691350624), (32, 648141210), (36, 576125520), (37, 560554560), (40, 518512968), (45, 460900416), (48, 432094140), (54, 384083680), (60, 345675312), (64, 324070605), (72, 288062760), (74, 280277280), (80, 259256484), (90, 230450208), (96, 216047070), (108, 192041840), (111, 186851520), (120, 172837656), (135, 153633472), (144, 144031380), (148, 140138640), (160, 129628242), (180, 115225104), (185, 112110912), (192, 108023535), (216, 96020920), (222, 93425760), (240, 86418828), (270, 76816736), (288, 72015690), (296, 70069320), (320, 64814121), (333, 62283840), (360, 57612552), (370, 56055456), (432, 48010460), (444, 46712880), (480, 43209414), (540, 38408368), (555, 37370304), (576, 36007845), (592, 35034660), (666, 31141920), (720, 28806276), (740, 28027728), (864, 24005230), (888, 23356440), (960, 21604707), (999, 20761280), (1080, 19204184), (1110, 18685152), (1184, 17517330), (1332, 15570960), (1440, 14403138), (1480, 14013864), (1665, 12456768), (1728, 12002615), (1776, 11678220), (1998, 10380640), (2160, 9602092), (2220, 9342576), (2368, 8758665), (2664, 7785480), (2880, 7201569), (2960, 7006932), (3330, 6228384), (3552, 5839110), (3996, 5190320), (4320, 4801046), (4440, 4671288), (4995, 4152256), (5328, 3892740), (5920, 3503466), (6660, 3114192), (7104, 2919555), (7992, 2595160), (8640, 2400523), (8880, 2335644), (9990, 2076128), (10656, 1946370), (11840, 1751733), (13320, 1557096), (15984, 1297580), (17760, 1167822), (19980, 1038064), (21312, 973185), (26640, 778548), (31968, 648790), (35520, 583911), (39960, 519032), (53280, 389274), (63936, 324395), (64879, 319680), (79920, 259516), (106560, 194637), (129758, 159840)]