320363460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 999311040

約数和(自身を除く): 678947580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 163, 179, 180, 183, 244, 305, 326, 358, 366, 489, 537, 549, 610, 652, 716, 732, 815, 895, 915, 978, 1074, 1098, 1220, 1467, 1611, 1630, 1790, 1830, 1956, 2148, 2196, 2445, 2685, 2745, 2934, 3222, 3260, 3580, 3660, 4890, 5370, 5490, 5868, 6444, 7335, 8055, 9780, 9943, 10740, 10919, 10980, 14670, 16110, 19886, 21838, 29177, 29340, 29829, 32220, 32757, 39772, 43676, 49715, 54595, 58354, 59658, 65514, 87531, 89487, 98271, 99430, 109190, 116708, 119316, 131028, 145885, 149145, 163785, 175062, 178974, 196542, 198860, 218380, 262593, 291770, 298290, 327570, 350124, 357948, 393084, 437655, 447435, 491355, 525186, 583540, 596580, 655140, 875310, 894870, 982710, 1050372, 1312965, 1750620, 1779797, 1789740, 1965420, 2625930, 3559594, 5251860, 5339391, 7119188, 8898985, 10678782, 16018173, 17797970, 21357564, 26696955, 32036346, 35595940, 53393910, 64072692, 80090865, 106787820, 160181730, 320363460]

約数ペア:

[(1, 320363460), (2, 160181730), (3, 106787820), (4, 80090865), (5, 64072692), (6, 53393910), (9, 35595940), (10, 32036346), (12, 26696955), (15, 21357564), (18, 17797970), (20, 16018173), (30, 10678782), (36, 8898985), (45, 7119188), (60, 5339391), (61, 5251860), (90, 3559594), (122, 2625930), (163, 1965420), (179, 1789740), (180, 1779797), (183, 1750620), (244, 1312965), (305, 1050372), (326, 982710), (358, 894870), (366, 875310), (489, 655140), (537, 596580), (549, 583540), (610, 525186), (652, 491355), (716, 447435), (732, 437655), (815, 393084), (895, 357948), (915, 350124), (978, 327570), (1074, 298290), (1098, 291770), (1220, 262593), (1467, 218380), (1611, 198860), (1630, 196542), (1790, 178974), (1830, 175062), (1956, 163785), (2148, 149145), (2196, 145885), (2445, 131028), (2685, 119316), (2745, 116708), (2934, 109190), (3222, 99430), (3260, 98271), (3580, 89487), (3660, 87531), (4890, 65514), (5370, 59658), (5490, 58354), (5868, 54595), (6444, 49715), (7335, 43676), (8055, 39772), (9780, 32757), (9943, 32220), (10740, 29829), (10919, 29340), (10980, 29177), (14670, 21838), (16110, 19886)]