406386720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31357}}^1$

素因数の和:31384

約数の個数: 120

約数和(自身を含む): 1434252204

約数和(自身を除く): 1027865484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 31357, 62714, 94071, 125428, 156785, 188142, 250856, 282213, 313570, 376284, 470355, 501712, 564426, 627140, 752568, 846639, 940710, 1003424, 1128852, 1254280, 1411065, 1505136, 1693278, 1881420, 2257704, 2508560, 2539917, 2822130, 3010272, 3386556, 3762840, 4233195, 4515408, 5017120, 5079834, 5644260, 6773112, 7525680, 8466390, 9030816, 10159668, 11288520, 12699585, 13546224, 15051360, 16932780, 20319336, 22577040, 25399170, 27092448, 33865560, 40638672, 45154080, 50798340, 67731120, 81277344, 101596680, 135462240, 203193360, 406386720]

約数ペア:

[(1, 406386720), (2, 203193360), (3, 135462240), (4, 101596680), (5, 81277344), (6, 67731120), (8, 50798340), (9, 45154080), (10, 40638672), (12, 33865560), (15, 27092448), (16, 25399170), (18, 22577040), (20, 20319336), (24, 16932780), (27, 15051360), (30, 13546224), (32, 12699585), (36, 11288520), (40, 10159668), (45, 9030816), (48, 8466390), (54, 7525680), (60, 6773112), (72, 5644260), (80, 5079834), (81, 5017120), (90, 4515408), (96, 4233195), (108, 3762840), (120, 3386556), (135, 3010272), (144, 2822130), (160, 2539917), (162, 2508560), (180, 2257704), (216, 1881420), (240, 1693278), (270, 1505136), (288, 1411065), (324, 1254280), (360, 1128852), (405, 1003424), (432, 940710), (480, 846639), (540, 752568), (648, 627140), (720, 564426), (810, 501712), (864, 470355), (1080, 376284), (1296, 313570), (1440, 282213), (1620, 250856), (2160, 188142), (2592, 156785), (3240, 125428), (4320, 94071), (6480, 62714), (12960, 31357)]