421575420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7547}}^1$

素因数の和:7592

約数の個数: 144

約数和(自身を含む): 1445592960

約数和(自身を除く): 1024017540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4655, 5586, 7547, 7980, 9310, 11172, 13965, 15094, 18620, 22641, 27930, 30188, 37735, 45282, 52829, 55860, 75470, 90564, 105658, 113205, 143393, 150940, 158487, 211316, 226410, 264145, 286786, 316974, 369803, 430179, 452820, 528290, 573572, 633948, 716965, 739606, 792435, 860358, 1003751, 1056580, 1109409, 1433930, 1479212, 1584870, 1720716, 1849015, 2007502, 2150895, 2218818, 2867860, 3011253, 3169740, 3698030, 4015004, 4301790, 4437636, 5018755, 5547045, 6022506, 7026257, 7396060, 8603580, 10037510, 11094090, 12045012, 14052514, 15056265, 20075020, 21078771, 22188180, 28105028, 30112530, 35131285, 42157542, 60225060, 70262570, 84315084, 105393855, 140525140, 210787710, 421575420]

約数ペア:

[(1, 421575420), (2, 210787710), (3, 140525140), (4, 105393855), (5, 84315084), (6, 70262570), (7, 60225060), (10, 42157542), (12, 35131285), (14, 30112530), (15, 28105028), (19, 22188180), (20, 21078771), (21, 20075020), (28, 15056265), (30, 14052514), (35, 12045012), (38, 11094090), (42, 10037510), (49, 8603580), (57, 7396060), (60, 7026257), (70, 6022506), (76, 5547045), (84, 5018755), (95, 4437636), (98, 4301790), (105, 4015004), (114, 3698030), (133, 3169740), (140, 3011253), (147, 2867860), (190, 2218818), (196, 2150895), (210, 2007502), (228, 1849015), (245, 1720716), (266, 1584870), (285, 1479212), (294, 1433930), (380, 1109409), (399, 1056580), (420, 1003751), (490, 860358), (532, 792435), (570, 739606), (588, 716965), (665, 633948), (735, 573572), (798, 528290), (931, 452820), (980, 430179), (1140, 369803), (1330, 316974), (1470, 286786), (1596, 264145), (1862, 226410), (1995, 211316), (2660, 158487), (2793, 150940), (2940, 143393), (3724, 113205), (3990, 105658), (4655, 90564), (5586, 75470), (7547, 55860), (7980, 52829), (9310, 45282), (11172, 37735), (13965, 30188), (15094, 27930), (18620, 22641)]