30909480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1239

約数の個数: 128

約数和(自身を含む): 109486080

約数和(自身を除く): 78576600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1187, 1240, 1302, 1736, 1860, 2170, 2374, 2604, 3255, 3561, 3720, 4340, 4748, 5208, 5935, 6510, 7122, 8309, 8680, 9496, 11870, 13020, 14244, 16618, 17805, 23740, 24927, 26040, 28488, 33236, 35610, 36797, 41545, 47480, 49854, 66472, 71220, 73594, 83090, 99708, 110391, 124635, 142440, 147188, 166180, 183985, 199416, 220782, 249270, 257579, 294376, 332360, 367970, 441564, 498540, 515158, 551955, 735940, 772737, 883128, 997080, 1030316, 1103910, 1287895, 1471880, 1545474, 2060632, 2207820, 2575790, 3090948, 3863685, 4415640, 5151580, 6181896, 7727370, 10303160, 15454740, 30909480]

約数ペア:

[(1, 30909480), (2, 15454740), (3, 10303160), (4, 7727370), (5, 6181896), (6, 5151580), (7, 4415640), (8, 3863685), (10, 3090948), (12, 2575790), (14, 2207820), (15, 2060632), (20, 1545474), (21, 1471880), (24, 1287895), (28, 1103910), (30, 1030316), (31, 997080), (35, 883128), (40, 772737), (42, 735940), (56, 551955), (60, 515158), (62, 498540), (70, 441564), (84, 367970), (93, 332360), (105, 294376), (120, 257579), (124, 249270), (140, 220782), (155, 199416), (168, 183985), (186, 166180), (210, 147188), (217, 142440), (248, 124635), (280, 110391), (310, 99708), (372, 83090), (420, 73594), (434, 71220), (465, 66472), (620, 49854), (651, 47480), (744, 41545), (840, 36797), (868, 35610), (930, 33236), (1085, 28488), (1187, 26040), (1240, 24927), (1302, 23740), (1736, 17805), (1860, 16618), (2170, 14244), (2374, 13020), (2604, 11870), (3255, 9496), (3561, 8680), (3720, 8309), (4340, 7122), (4748, 6510), (5208, 5935)]