13579860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 45964800

約数和(自身を除く): 32384940

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, 149, 155, 186, 196, 210, 217, 245, 294, 298, 310, 372, 420, 434, 447, 465, 490, 588, 596, 620, 651, 735, 745, 868, 894, 930, 980, 1043, 1085, 1302, 1470, 1490, 1519, 1788, 1860, 2086, 2170, 2235, 2604, 2940, 2980, 3038, 3129, 3255, 4172, 4340, 4470, 4557, 4619, 5215, 6076, 6258, 6510, 7301, 7595, 8940, 9114, 9238, 10430, 12516, 13020, 13857, 14602, 15190, 15645, 18228, 18476, 20860, 21903, 22785, 23095, 27714, 29204, 30380, 31290, 32333, 36505, 43806, 45570, 46190, 55428, 62580, 64666, 69285, 73010, 87612, 91140, 92380, 96999, 109515, 129332, 138570, 146020, 161665, 193998, 219030, 226331, 277140, 323330, 387996, 438060, 452662, 484995, 646660, 678993, 905324, 969990, 1131655, 1357986, 1939980, 2263310, 2715972, 3394965, 4526620, 6789930, 13579860]

約数ペア:

[(1, 13579860), (2, 6789930), (3, 4526620), (4, 3394965), (5, 2715972), (6, 2263310), (7, 1939980), (10, 1357986), (12, 1131655), (14, 969990), (15, 905324), (20, 678993), (21, 646660), (28, 484995), (30, 452662), (31, 438060), (35, 387996), (42, 323330), (49, 277140), (60, 226331), (62, 219030), (70, 193998), (84, 161665), (93, 146020), (98, 138570), (105, 129332), (124, 109515), (140, 96999), (147, 92380), (149, 91140), (155, 87612), (186, 73010), (196, 69285), (210, 64666), (217, 62580), (245, 55428), (294, 46190), (298, 45570), (310, 43806), (372, 36505), (420, 32333), (434, 31290), (447, 30380), (465, 29204), (490, 27714), (588, 23095), (596, 22785), (620, 21903), (651, 20860), (735, 18476), (745, 18228), (868, 15645), (894, 15190), (930, 14602), (980, 13857), (1043, 13020), (1085, 12516), (1302, 10430), (1470, 9238), (1490, 9114), (1519, 8940), (1788, 7595), (1860, 7301), (2086, 6510), (2170, 6258), (2235, 6076), (2604, 5215), (2940, 4619), (2980, 4557), (3038, 4470), (3129, 4340), (3255, 4172)]