47483940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 159957504

約数和(自身を除く): 112473564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 521, 588, 620, 651, 735, 868, 930, 980, 1042, 1085, 1302, 1470, 1519, 1563, 1860, 2084, 2170, 2604, 2605, 2940, 3038, 3126, 3255, 3647, 4340, 4557, 5210, 6076, 6252, 6510, 7294, 7595, 7815, 9114, 10420, 10941, 13020, 14588, 15190, 15630, 16151, 18228, 18235, 21882, 22785, 25529, 30380, 31260, 32302, 36470, 43764, 45570, 48453, 51058, 54705, 64604, 72940, 76587, 80755, 91140, 96906, 102116, 109410, 113057, 127645, 153174, 161510, 193812, 218820, 226114, 242265, 255290, 306348, 323020, 339171, 382935, 452228, 484530, 510580, 565285, 678342, 765870, 791399, 969060, 1130570, 1356684, 1531740, 1582798, 1695855, 2261140, 2374197, 3165596, 3391710, 3956995, 4748394, 6783420, 7913990, 9496788, 11870985, 15827980, 23741970, 47483940]

約数ペア:

[(1, 47483940), (2, 23741970), (3, 15827980), (4, 11870985), (5, 9496788), (6, 7913990), (7, 6783420), (10, 4748394), (12, 3956995), (14, 3391710), (15, 3165596), (20, 2374197), (21, 2261140), (28, 1695855), (30, 1582798), (31, 1531740), (35, 1356684), (42, 1130570), (49, 969060), (60, 791399), (62, 765870), (70, 678342), (84, 565285), (93, 510580), (98, 484530), (105, 452228), (124, 382935), (140, 339171), (147, 323020), (155, 306348), (186, 255290), (196, 242265), (210, 226114), (217, 218820), (245, 193812), (294, 161510), (310, 153174), (372, 127645), (420, 113057), (434, 109410), (465, 102116), (490, 96906), (521, 91140), (588, 80755), (620, 76587), (651, 72940), (735, 64604), (868, 54705), (930, 51058), (980, 48453), (1042, 45570), (1085, 43764), (1302, 36470), (1470, 32302), (1519, 31260), (1563, 30380), (1860, 25529), (2084, 22785), (2170, 21882), (2604, 18235), (2605, 18228), (2940, 16151), (3038, 15630), (3126, 15190), (3255, 14588), (3647, 13020), (4340, 10941), (4557, 10420), (5210, 9114), (6076, 7815), (6252, 7595), (6510, 7294)]