211541580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1456

約数の個数: 144

約数和(自身を含む): 688169664

約数和(自身を除く): 476628084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 37, 45, 46, 60, 69, 74, 90, 92, 111, 115, 138, 148, 180, 185, 207, 222, 230, 276, 333, 345, 370, 414, 444, 460, 555, 666, 690, 740, 828, 851, 1035, 1110, 1332, 1380, 1381, 1665, 1702, 2070, 2220, 2553, 2762, 3330, 3404, 4140, 4143, 4255, 5106, 5524, 6660, 6905, 7659, 8286, 8510, 10212, 12429, 12765, 13810, 15318, 16572, 17020, 20715, 24858, 25530, 27620, 30636, 31763, 38295, 41430, 49716, 51060, 51097, 62145, 63526, 76590, 82860, 95289, 102194, 124290, 127052, 153180, 153291, 158815, 190578, 204388, 248580, 255485, 285867, 306582, 317630, 381156, 459873, 476445, 510970, 571734, 613164, 635260, 766455, 919746, 952890, 1021940, 1143468, 1175231, 1429335, 1532910, 1839492, 1905780, 2299365, 2350462, 2858670, 3065820, 3525693, 4598730, 4700924, 5717340, 5876155, 7051386, 9197460, 10577079, 11752310, 14102772, 17628465, 21154158, 23504620, 35256930, 42308316, 52885395, 70513860, 105770790, 211541580]

約数ペア:

[(1, 211541580), (2, 105770790), (3, 70513860), (4, 52885395), (5, 42308316), (6, 35256930), (9, 23504620), (10, 21154158), (12, 17628465), (15, 14102772), (18, 11752310), (20, 10577079), (23, 9197460), (30, 7051386), (36, 5876155), (37, 5717340), (45, 4700924), (46, 4598730), (60, 3525693), (69, 3065820), (74, 2858670), (90, 2350462), (92, 2299365), (111, 1905780), (115, 1839492), (138, 1532910), (148, 1429335), (180, 1175231), (185, 1143468), (207, 1021940), (222, 952890), (230, 919746), (276, 766455), (333, 635260), (345, 613164), (370, 571734), (414, 510970), (444, 476445), (460, 459873), (555, 381156), (666, 317630), (690, 306582), (740, 285867), (828, 255485), (851, 248580), (1035, 204388), (1110, 190578), (1332, 158815), (1380, 153291), (1381, 153180), (1665, 127052), (1702, 124290), (2070, 102194), (2220, 95289), (2553, 82860), (2762, 76590), (3330, 63526), (3404, 62145), (4140, 51097), (4143, 51060), (4255, 49716), (5106, 41430), (5524, 38295), (6660, 31763), (6905, 30636), (7659, 27620), (8286, 25530), (8510, 24858), (10212, 20715), (12429, 17020), (12765, 16572), (13810, 15318)]