220961580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4421}}^1$

素因数の和:4464

約数の個数: 144

約数和(自身を含む): 762211296

約数和(自身を除く): 541249716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1428, 1470, 1666, 1785, 2380, 2499, 2940, 3332, 3570, 4165, 4421, 4998, 7140, 8330, 8842, 9996, 12495, 13263, 16660, 17684, 22105, 24990, 26526, 30947, 44210, 49980, 53052, 61894, 66315, 75157, 88420, 92841, 123788, 132630, 150314, 154735, 185682, 216629, 225471, 265260, 300628, 309470, 371364, 375785, 433258, 450942, 464205, 526099, 618940, 649887, 751570, 866516, 901884, 928410, 1052198, 1083145, 1127355, 1299774, 1503140, 1578297, 1856820, 2104396, 2166290, 2254710, 2599548, 2630495, 3156594, 3249435, 3682693, 4332580, 4509420, 5260990, 6313188, 6498870, 7365386, 7891485, 10521980, 11048079, 12997740, 14730772, 15782970, 18413465, 22096158, 31565940, 36826930, 44192316, 55240395, 73653860, 110480790, 220961580]

約数ペア:

[(1, 220961580), (2, 110480790), (3, 73653860), (4, 55240395), (5, 44192316), (6, 36826930), (7, 31565940), (10, 22096158), (12, 18413465), (14, 15782970), (15, 14730772), (17, 12997740), (20, 11048079), (21, 10521980), (28, 7891485), (30, 7365386), (34, 6498870), (35, 6313188), (42, 5260990), (49, 4509420), (51, 4332580), (60, 3682693), (68, 3249435), (70, 3156594), (84, 2630495), (85, 2599548), (98, 2254710), (102, 2166290), (105, 2104396), (119, 1856820), (140, 1578297), (147, 1503140), (170, 1299774), (196, 1127355), (204, 1083145), (210, 1052198), (238, 928410), (245, 901884), (255, 866516), (294, 751570), (340, 649887), (357, 618940), (420, 526099), (476, 464205), (490, 450942), (510, 433258), (588, 375785), (595, 371364), (714, 309470), (735, 300628), (833, 265260), (980, 225471), (1020, 216629), (1190, 185682), (1428, 154735), (1470, 150314), (1666, 132630), (1785, 123788), (2380, 92841), (2499, 88420), (2940, 75157), (3332, 66315), (3570, 61894), (4165, 53052), (4421, 49980), (4998, 44210), (7140, 30947), (8330, 26526), (8842, 24990), (9996, 22105), (12495, 17684), (13263, 16660)]