68775420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 226951200

約数和(自身を除く): 158175780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 149, 157, 196, 210, 245, 294, 298, 314, 420, 447, 471, 490, 588, 596, 628, 735, 745, 785, 894, 942, 980, 1043, 1099, 1470, 1490, 1570, 1788, 1884, 2086, 2198, 2235, 2355, 2940, 2980, 3129, 3140, 3297, 4172, 4396, 4470, 4710, 5215, 5495, 6258, 6594, 7301, 7693, 8940, 9420, 10430, 10990, 12516, 13188, 14602, 15386, 15645, 16485, 20860, 21903, 21980, 23079, 23393, 29204, 30772, 31290, 32970, 36505, 38465, 43806, 46158, 46786, 62580, 65940, 70179, 73010, 76930, 87612, 92316, 93572, 109515, 115395, 116965, 140358, 146020, 153860, 163751, 219030, 230790, 233930, 280716, 327502, 350895, 438060, 461580, 467860, 491253, 655004, 701790, 818755, 982506, 1146257, 1403580, 1637510, 1965012, 2292514, 2456265, 3275020, 3438771, 4585028, 4912530, 5731285, 6877542, 9825060, 11462570, 13755084, 17193855, 22925140, 34387710, 68775420]

約数ペア:

[(1, 68775420), (2, 34387710), (3, 22925140), (4, 17193855), (5, 13755084), (6, 11462570), (7, 9825060), (10, 6877542), (12, 5731285), (14, 4912530), (15, 4585028), (20, 3438771), (21, 3275020), (28, 2456265), (30, 2292514), (35, 1965012), (42, 1637510), (49, 1403580), (60, 1146257), (70, 982506), (84, 818755), (98, 701790), (105, 655004), (140, 491253), (147, 467860), (149, 461580), (157, 438060), (196, 350895), (210, 327502), (245, 280716), (294, 233930), (298, 230790), (314, 219030), (420, 163751), (447, 153860), (471, 146020), (490, 140358), (588, 116965), (596, 115395), (628, 109515), (735, 93572), (745, 92316), (785, 87612), (894, 76930), (942, 73010), (980, 70179), (1043, 65940), (1099, 62580), (1470, 46786), (1490, 46158), (1570, 43806), (1788, 38465), (1884, 36505), (2086, 32970), (2198, 31290), (2235, 30772), (2355, 29204), (2940, 23393), (2980, 23079), (3129, 21980), (3140, 21903), (3297, 20860), (4172, 16485), (4396, 15645), (4470, 15386), (4710, 14602), (5215, 13188), (5495, 12516), (6258, 10990), (6594, 10430), (7301, 9420), (7693, 8940)]