242158980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2714

約数の個数: 144

約数和(自身を含む): 814496256

約数和(自身を除く): 572337276

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, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2657, 2940, 3038, 3255, 4340, 4557, 5314, 6076, 6510, 7595, 7971, 9114, 10628, 13020, 13285, 15190, 15942, 18228, 18599, 22785, 26570, 30380, 31884, 37198, 39855, 45570, 53140, 55797, 74396, 79710, 82367, 91140, 92995, 111594, 130193, 159420, 164734, 185990, 223188, 247101, 260386, 278985, 329468, 371980, 390579, 411835, 494202, 520772, 557970, 576569, 650965, 781158, 823670, 988404, 1115940, 1153138, 1235505, 1301930, 1562316, 1647340, 1729707, 1952895, 2306276, 2471010, 2603860, 2882845, 3459414, 3905790, 4035983, 4942020, 5765690, 6918828, 7811580, 8071966, 8648535, 11531380, 12107949, 16143932, 17297070, 20179915, 24215898, 34594140, 40359830, 48431796, 60539745, 80719660, 121079490, 242158980]

約数ペア:

[(1, 242158980), (2, 121079490), (3, 80719660), (4, 60539745), (5, 48431796), (6, 40359830), (7, 34594140), (10, 24215898), (12, 20179915), (14, 17297070), (15, 16143932), (20, 12107949), (21, 11531380), (28, 8648535), (30, 8071966), (31, 7811580), (35, 6918828), (42, 5765690), (49, 4942020), (60, 4035983), (62, 3905790), (70, 3459414), (84, 2882845), (93, 2603860), (98, 2471010), (105, 2306276), (124, 1952895), (140, 1729707), (147, 1647340), (155, 1562316), (186, 1301930), (196, 1235505), (210, 1153138), (217, 1115940), (245, 988404), (294, 823670), (310, 781158), (372, 650965), (420, 576569), (434, 557970), (465, 520772), (490, 494202), (588, 411835), (620, 390579), (651, 371980), (735, 329468), (868, 278985), (930, 260386), (980, 247101), (1085, 223188), (1302, 185990), (1470, 164734), (1519, 159420), (1860, 130193), (2170, 111594), (2604, 92995), (2657, 91140), (2940, 82367), (3038, 79710), (3255, 74396), (4340, 55797), (4557, 53140), (5314, 45570), (6076, 39855), (6510, 37198), (7595, 31884), (7971, 30380), (9114, 26570), (10628, 22785), (13020, 18599), (13285, 18228), (15190, 15942)]