231244560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{809}}^1$

素因数の和:1225

約数の個数: 120

約数和(自身を含む): 779514840

約数和(自身を除く): 548270280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 397, 720, 794, 809, 1191, 1588, 1618, 1985, 2382, 2427, 3176, 3236, 3573, 3970, 4045, 4764, 4854, 5955, 6352, 6472, 7146, 7281, 7940, 8090, 9528, 9708, 11910, 12135, 12944, 14292, 14562, 15880, 16180, 17865, 19056, 19416, 23820, 24270, 28584, 29124, 31760, 32360, 35730, 36405, 38832, 47640, 48540, 57168, 58248, 64720, 71460, 72810, 95280, 97080, 116496, 142920, 145620, 194160, 285840, 291240, 321173, 582480, 642346, 963519, 1284692, 1605865, 1927038, 2569384, 2890557, 3211730, 3854076, 4817595, 5138768, 5781114, 6423460, 7708152, 9635190, 11562228, 12846920, 14452785, 15416304, 19270380, 23124456, 25693840, 28905570, 38540760, 46248912, 57811140, 77081520, 115622280, 231244560]

約数ペア:

[(1, 231244560), (2, 115622280), (3, 77081520), (4, 57811140), (5, 46248912), (6, 38540760), (8, 28905570), (9, 25693840), (10, 23124456), (12, 19270380), (15, 15416304), (16, 14452785), (18, 12846920), (20, 11562228), (24, 9635190), (30, 7708152), (36, 6423460), (40, 5781114), (45, 5138768), (48, 4817595), (60, 3854076), (72, 3211730), (80, 2890557), (90, 2569384), (120, 1927038), (144, 1605865), (180, 1284692), (240, 963519), (360, 642346), (397, 582480), (720, 321173), (794, 291240), (809, 285840), (1191, 194160), (1588, 145620), (1618, 142920), (1985, 116496), (2382, 97080), (2427, 95280), (3176, 72810), (3236, 71460), (3573, 64720), (3970, 58248), (4045, 57168), (4764, 48540), (4854, 47640), (5955, 38832), (6352, 36405), (6472, 35730), (7146, 32360), (7281, 31760), (7940, 29124), (8090, 28584), (9528, 24270), (9708, 23820), (11910, 19416), (12135, 19056), (12944, 17865), (14292, 16180), (14562, 15880)]