720285280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31481}}^1$

素因数の和:31520

約数の個数: 96

約数和(自身を含む): 1999232928

約数和(自身を除く): 1278947648

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1760, 2080, 2288, 2860, 4576, 5720, 11440, 22880, 31481, 62962, 125924, 157405, 251848, 314810, 346291, 409253, 503696, 629620, 692582, 818506, 1007392, 1259240, 1385164, 1637012, 1731455, 2046265, 2518480, 2770328, 3274024, 3462910, 4092530, 4501783, 5036960, 5540656, 6548048, 6925820, 8185060, 9003566, 11081312, 13096096, 13851640, 16370120, 18007132, 22508915, 27703280, 32740240, 36014264, 45017830, 55406560, 65480480, 72028528, 90035660, 144057056, 180071320, 360142640, 720285280]

約数ペア:

[(1, 720285280), (2, 360142640), (4, 180071320), (5, 144057056), (8, 90035660), (10, 72028528), (11, 65480480), (13, 55406560), (16, 45017830), (20, 36014264), (22, 32740240), (26, 27703280), (32, 22508915), (40, 18007132), (44, 16370120), (52, 13851640), (55, 13096096), (65, 11081312), (80, 9003566), (88, 8185060), (104, 6925820), (110, 6548048), (130, 5540656), (143, 5036960), (160, 4501783), (176, 4092530), (208, 3462910), (220, 3274024), (260, 2770328), (286, 2518480), (352, 2046265), (416, 1731455), (440, 1637012), (520, 1385164), (572, 1259240), (715, 1007392), (880, 818506), (1040, 692582), (1144, 629620), (1430, 503696), (1760, 409253), (2080, 346291), (2288, 314810), (2860, 251848), (4576, 157405), (5720, 125924), (11440, 62962), (22880, 31481)]