15220380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 51480576

約数和(自身を除く): 36260196

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, 167, 186, 196, 210, 217, 245, 294, 310, 334, 372, 420, 434, 465, 490, 501, 588, 620, 651, 668, 735, 835, 868, 930, 980, 1002, 1085, 1169, 1302, 1470, 1519, 1670, 1860, 2004, 2170, 2338, 2505, 2604, 2940, 3038, 3255, 3340, 3507, 4340, 4557, 4676, 5010, 5177, 5845, 6076, 6510, 7014, 7595, 8183, 9114, 10020, 10354, 11690, 13020, 14028, 15190, 15531, 16366, 17535, 18228, 20708, 22785, 23380, 24549, 25885, 30380, 31062, 32732, 35070, 36239, 40915, 45570, 49098, 51770, 62124, 70140, 72478, 77655, 81830, 91140, 98196, 103540, 108717, 122745, 144956, 155310, 163660, 181195, 217434, 245490, 253673, 310620, 362390, 434868, 490980, 507346, 543585, 724780, 761019, 1014692, 1087170, 1268365, 1522038, 2174340, 2536730, 3044076, 3805095, 5073460, 7610190, 15220380]

約数ペア:

[(1, 15220380), (2, 7610190), (3, 5073460), (4, 3805095), (5, 3044076), (6, 2536730), (7, 2174340), (10, 1522038), (12, 1268365), (14, 1087170), (15, 1014692), (20, 761019), (21, 724780), (28, 543585), (30, 507346), (31, 490980), (35, 434868), (42, 362390), (49, 310620), (60, 253673), (62, 245490), (70, 217434), (84, 181195), (93, 163660), (98, 155310), (105, 144956), (124, 122745), (140, 108717), (147, 103540), (155, 98196), (167, 91140), (186, 81830), (196, 77655), (210, 72478), (217, 70140), (245, 62124), (294, 51770), (310, 49098), (334, 45570), (372, 40915), (420, 36239), (434, 35070), (465, 32732), (490, 31062), (501, 30380), (588, 25885), (620, 24549), (651, 23380), (668, 22785), (735, 20708), (835, 18228), (868, 17535), (930, 16366), (980, 15531), (1002, 15190), (1085, 14028), (1169, 13020), (1302, 11690), (1470, 10354), (1519, 10020), (1670, 9114), (1860, 8183), (2004, 7595), (2170, 7014), (2338, 6510), (2505, 6076), (2604, 5845), (2940, 5177), (3038, 5010), (3255, 4676), (3340, 4557), (3507, 4340)]