639635760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{46757}}^1$

素因数の和:46795

約数の個数: 120

約数和(自身を含む): 2261216880

約数和(自身を除く): 1621581120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 46757, 93514, 140271, 187028, 233785, 280542, 374056, 420813, 467570, 561084, 701355, 748112, 841626, 888383, 935140, 1122168, 1402710, 1683252, 1776766, 1870280, 2104065, 2244336, 2665149, 2805420, 3366504, 3553532, 3740560, 4208130, 4441915, 5330298, 5610840, 6733008, 7107064, 7995447, 8416260, 8883830, 10660596, 11221680, 13325745, 14214128, 15990894, 16832520, 17767660, 21321192, 26651490, 31981788, 33665040, 35535320, 39977235, 42642384, 53302980, 63963576, 71070640, 79954470, 106605960, 127927152, 159908940, 213211920, 319817880, 639635760]

約数ペア:

[(1, 639635760), (2, 319817880), (3, 213211920), (4, 159908940), (5, 127927152), (6, 106605960), (8, 79954470), (9, 71070640), (10, 63963576), (12, 53302980), (15, 42642384), (16, 39977235), (18, 35535320), (19, 33665040), (20, 31981788), (24, 26651490), (30, 21321192), (36, 17767660), (38, 16832520), (40, 15990894), (45, 14214128), (48, 13325745), (57, 11221680), (60, 10660596), (72, 8883830), (76, 8416260), (80, 7995447), (90, 7107064), (95, 6733008), (114, 5610840), (120, 5330298), (144, 4441915), (152, 4208130), (171, 3740560), (180, 3553532), (190, 3366504), (228, 2805420), (240, 2665149), (285, 2244336), (304, 2104065), (342, 1870280), (360, 1776766), (380, 1683252), (456, 1402710), (570, 1122168), (684, 935140), (720, 888383), (760, 841626), (855, 748112), (912, 701355), (1140, 561084), (1368, 467570), (1520, 420813), (1710, 374056), (2280, 280542), (2736, 233785), (3420, 187028), (4560, 140271), (6840, 93514), (13680, 46757)]