66649860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:1002

約数の個数: 144

約数和(自身を含む): 223606656

約数和(自身を除く): 156956796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 460, 510, 612, 690, 765, 782, 828, 947, 1020, 1035, 1173, 1380, 1530, 1564, 1894, 1955, 2070, 2346, 2841, 3060, 3519, 3788, 3910, 4140, 4692, 4735, 5682, 5865, 7038, 7820, 8523, 9470, 11364, 11730, 14076, 14205, 16099, 17046, 17595, 18940, 21781, 23460, 28410, 32198, 34092, 35190, 42615, 43562, 48297, 56820, 64396, 65343, 70380, 80495, 85230, 87124, 96594, 108905, 130686, 144891, 160990, 170460, 193188, 196029, 217810, 241485, 261372, 289782, 321980, 326715, 370277, 392058, 435620, 482970, 579564, 653430, 724455, 740554, 784116, 965940, 980145, 1110831, 1306860, 1448910, 1481108, 1851385, 1960290, 2221662, 2897820, 3332493, 3702770, 3920580, 4443324, 5554155, 6664986, 7405540, 11108310, 13329972, 16662465, 22216620, 33324930, 66649860]

約数ペア:

[(1, 66649860), (2, 33324930), (3, 22216620), (4, 16662465), (5, 13329972), (6, 11108310), (9, 7405540), (10, 6664986), (12, 5554155), (15, 4443324), (17, 3920580), (18, 3702770), (20, 3332493), (23, 2897820), (30, 2221662), (34, 1960290), (36, 1851385), (45, 1481108), (46, 1448910), (51, 1306860), (60, 1110831), (68, 980145), (69, 965940), (85, 784116), (90, 740554), (92, 724455), (102, 653430), (115, 579564), (138, 482970), (153, 435620), (170, 392058), (180, 370277), (204, 326715), (207, 321980), (230, 289782), (255, 261372), (276, 241485), (306, 217810), (340, 196029), (345, 193188), (391, 170460), (414, 160990), (460, 144891), (510, 130686), (612, 108905), (690, 96594), (765, 87124), (782, 85230), (828, 80495), (947, 70380), (1020, 65343), (1035, 64396), (1173, 56820), (1380, 48297), (1530, 43562), (1564, 42615), (1894, 35190), (1955, 34092), (2070, 32198), (2346, 28410), (2841, 23460), (3060, 21781), (3519, 18940), (3788, 17595), (3910, 17046), (4140, 16099), (4692, 14205), (4735, 14076), (5682, 11730), (5865, 11364), (7038, 9470), (7820, 8523)]