138750720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1618

約数の個数: 144

約数和(自身を含む): 462696192

約数和(自身を除く): 323945472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1472, 1571, 1840, 1920, 2208, 2760, 2944, 3142, 3680, 3840, 4416, 4713, 5520, 5888, 6284, 7360, 7855, 8832, 9426, 11040, 12568, 14720, 15710, 17664, 18852, 22080, 23565, 25136, 29440, 31420, 36133, 37704, 44160, 47130, 50272, 62840, 72266, 75408, 88320, 94260, 100544, 108399, 125680, 144532, 150816, 180665, 188520, 201088, 216798, 251360, 289064, 301632, 361330, 377040, 402176, 433596, 502720, 541995, 578128, 603264, 722660, 754080, 867192, 1005440, 1083990, 1156256, 1206528, 1445320, 1508160, 1734384, 2010880, 2167980, 2312512, 2890640, 3016320, 3468768, 4335960, 4625024, 5781280, 6032640, 6937536, 8671920, 9250048, 11562560, 13875072, 17343840, 23125120, 27750144, 34687680, 46250240, 69375360, 138750720]

約数ペア:

[(1, 138750720), (2, 69375360), (3, 46250240), (4, 34687680), (5, 27750144), (6, 23125120), (8, 17343840), (10, 13875072), (12, 11562560), (15, 9250048), (16, 8671920), (20, 6937536), (23, 6032640), (24, 5781280), (30, 4625024), (32, 4335960), (40, 3468768), (46, 3016320), (48, 2890640), (60, 2312512), (64, 2167980), (69, 2010880), (80, 1734384), (92, 1508160), (96, 1445320), (115, 1206528), (120, 1156256), (128, 1083990), (138, 1005440), (160, 867192), (184, 754080), (192, 722660), (230, 603264), (240, 578128), (256, 541995), (276, 502720), (320, 433596), (345, 402176), (368, 377040), (384, 361330), (460, 301632), (480, 289064), (552, 251360), (640, 216798), (690, 201088), (736, 188520), (768, 180665), (920, 150816), (960, 144532), (1104, 125680), (1280, 108399), (1380, 100544), (1472, 94260), (1571, 88320), (1840, 75408), (1920, 72266), (2208, 62840), (2760, 50272), (2944, 47130), (3142, 44160), (3680, 37704), (3840, 36133), (4416, 31420), (4713, 29440), (5520, 25136), (5888, 23565), (6284, 22080), (7360, 18852), (7855, 17664), (8832, 15710), (9426, 14720), (11040, 12568)]