400905180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 288

約数和(自身を含む): 1416683520

約数和(自身を除く): 1015778340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 90, 92, 108, 115, 117, 130, 135, 138, 156, 169, 180, 191, 195, 207, 230, 234, 260, 270, 276, 299, 338, 345, 351, 382, 390, 414, 460, 468, 507, 540, 573, 585, 598, 621, 676, 690, 702, 764, 780, 828, 845, 897, 955, 1014, 1035, 1146, 1170, 1196, 1242, 1380, 1404, 1495, 1521, 1690, 1719, 1755, 1794, 1910, 2028, 2070, 2292, 2340, 2483, 2484, 2535, 2691, 2865, 2990, 3042, 3105, 3380, 3438, 3510, 3588, 3820, 3887, 4140, 4393, 4485, 4563, 4966, 5070, 5157, 5382, 5730, 5980, 6084, 6210, 6876, 7020, 7449, 7605, 7774, 8073, 8595, 8786, 8970, 9126, 9932, 10140, 10314, 10764, 11460, 11661, 12415, 12420, 13179, 13455, 14898, 15210, 15548, 16146, 17190, 17572, 17940, 18252, 19435, 20628, 21965, 22347, 22815, 23322, 24830, 25785, 26358, 26910, 29796, 30420, 32279, 32292, 34380, 34983, 37245, 38870, 39537, 40365, 43930, 44694, 45630, 46644, 49660, 51570, 52716, 53820, 57109, 58305, 64558, 65895, 67041, 69966, 74490, 77740, 79074, 80730, 87860, 89388, 91260, 96837, 103140, 104949, 111735, 114218, 116610, 118611, 129116, 131790, 134082, 139932, 148980, 158148, 161395, 161460, 171327, 174915, 193674, 197685, 209898, 223470, 228436, 233220, 237222, 263580, 268164, 285545, 290511, 322790, 335205, 342654, 349830, 387348, 395370, 419796, 446940, 474444, 484185, 513981, 524745, 571090, 581022, 593055, 645580, 670410, 685308, 699660, 742417, 790740, 856635, 871533, 968370, 1027962, 1049490, 1142180, 1162044, 1186110, 1340820, 1452555, 1484834, 1541943, 1713270, 1743066, 1936740, 2055924, 2098980, 2227251, 2372220, 2569905, 2905110, 2969668, 3083886, 3426540, 3486132, 3712085, 4357665, 4454502, 5139810, 5810220, 6167772, 6681753, 7424170, 7709715, 8715330, 8909004, 10279620, 11136255, 13363506, 14848340, 15419430, 17430660, 20045259, 22272510, 26727012, 30838860, 33408765, 40090518, 44545020, 66817530, 80181036, 100226295, 133635060, 200452590, 400905180]

約数ペア:

[(1, 400905180), (2, 200452590), (3, 133635060), (4, 100226295), (5, 80181036), (6, 66817530), (9, 44545020), (10, 40090518), (12, 33408765), (13, 30838860), (15, 26727012), (18, 22272510), (20, 20045259), (23, 17430660), (26, 15419430), (27, 14848340), (30, 13363506), (36, 11136255), (39, 10279620), (45, 8909004), (46, 8715330), (52, 7709715), (54, 7424170), (60, 6681753), (65, 6167772), (69, 5810220), (78, 5139810), (90, 4454502), (92, 4357665), (108, 3712085), (115, 3486132), (117, 3426540), (130, 3083886), (135, 2969668), (138, 2905110), (156, 2569905), (169, 2372220), (180, 2227251), (191, 2098980), (195, 2055924), (207, 1936740), (230, 1743066), (234, 1713270), (260, 1541943), (270, 1484834), (276, 1452555), (299, 1340820), (338, 1186110), (345, 1162044), (351, 1142180), (382, 1049490), (390, 1027962), (414, 968370), (460, 871533), (468, 856635), (507, 790740), (540, 742417), (573, 699660), (585, 685308), (598, 670410), (621, 645580), (676, 593055), (690, 581022), (702, 571090), (764, 524745), (780, 513981), (828, 484185), (845, 474444), (897, 446940), (955, 419796), (1014, 395370), (1035, 387348), (1146, 349830), (1170, 342654), (1196, 335205), (1242, 322790), (1380, 290511), (1404, 285545), (1495, 268164), (1521, 263580), (1690, 237222), (1719, 233220), (1755, 228436), (1794, 223470), (1910, 209898), (2028, 197685), (2070, 193674), (2292, 174915), (2340, 171327), (2483, 161460), (2484, 161395), (2535, 158148), (2691, 148980), (2865, 139932), (2990, 134082), (3042, 131790), (3105, 129116), (3380, 118611), (3438, 116610), (3510, 114218), (3588, 111735), (3820, 104949), (3887, 103140), (4140, 96837), (4393, 91260), (4485, 89388), (4563, 87860), (4966, 80730), (5070, 79074), (5157, 77740), (5382, 74490), (5730, 69966), (5980, 67041), (6084, 65895), (6210, 64558), (6876, 58305), (7020, 57109), (7449, 53820), (7605, 52716), (7774, 51570), (8073, 49660), (8595, 46644), (8786, 45630), (8970, 44694), (9126, 43930), (9932, 40365), (10140, 39537), (10314, 38870), (10764, 37245), (11460, 34983), (11661, 34380), (12415, 32292), (12420, 32279), (13179, 30420), (13455, 29796), (14898, 26910), (15210, 26358), (15548, 25785), (16146, 24830), (17190, 23322), (17572, 22815), (17940, 22347), (18252, 21965), (19435, 20628)]