31266480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:563

約数の個数: 160

約数和(自身を含む): 113992704

約数和(自身を除く): 82726224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 503, 518, 555, 560, 592, 740, 777, 840, 888, 1006, 1036, 1110, 1295, 1480, 1509, 1554, 1680, 1776, 2012, 2072, 2220, 2515, 2590, 2960, 3018, 3108, 3521, 3885, 4024, 4144, 4440, 5030, 5180, 6036, 6216, 7042, 7545, 7770, 8048, 8880, 10060, 10360, 10563, 12072, 12432, 14084, 15090, 15540, 17605, 18611, 20120, 20720, 21126, 24144, 28168, 30180, 31080, 35210, 37222, 40240, 42252, 52815, 55833, 56336, 60360, 62160, 70420, 74444, 84504, 93055, 105630, 111666, 120720, 130277, 140840, 148888, 169008, 186110, 211260, 223332, 260554, 279165, 281680, 297776, 372220, 390831, 422520, 446664, 521108, 558330, 651385, 744440, 781662, 845040, 893328, 1042216, 1116660, 1302770, 1488880, 1563324, 1954155, 2084432, 2233320, 2605540, 3126648, 3908310, 4466640, 5211080, 6253296, 7816620, 10422160, 15633240, 31266480]

約数ペア:

[(1, 31266480), (2, 15633240), (3, 10422160), (4, 7816620), (5, 6253296), (6, 5211080), (7, 4466640), (8, 3908310), (10, 3126648), (12, 2605540), (14, 2233320), (15, 2084432), (16, 1954155), (20, 1563324), (21, 1488880), (24, 1302770), (28, 1116660), (30, 1042216), (35, 893328), (37, 845040), (40, 781662), (42, 744440), (48, 651385), (56, 558330), (60, 521108), (70, 446664), (74, 422520), (80, 390831), (84, 372220), (105, 297776), (111, 281680), (112, 279165), (120, 260554), (140, 223332), (148, 211260), (168, 186110), (185, 169008), (210, 148888), (222, 140840), (240, 130277), (259, 120720), (280, 111666), (296, 105630), (336, 93055), (370, 84504), (420, 74444), (444, 70420), (503, 62160), (518, 60360), (555, 56336), (560, 55833), (592, 52815), (740, 42252), (777, 40240), (840, 37222), (888, 35210), (1006, 31080), (1036, 30180), (1110, 28168), (1295, 24144), (1480, 21126), (1509, 20720), (1554, 20120), (1680, 18611), (1776, 17605), (2012, 15540), (2072, 15090), (2220, 14084), (2515, 12432), (2590, 12072), (2960, 10563), (3018, 10360), (3108, 10060), (3521, 8880), (3885, 8048), (4024, 7770), (4144, 7545), (4440, 7042), (5030, 6216), (5180, 6036)]