816172890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:776

約数の個数: 128

約数和(自身を含む): 2246952960

約数和(自身を除く): 1430780070

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 257, 390, 442, 479, 510, 514, 663, 771, 958, 1105, 1285, 1326, 1437, 1542, 2210, 2395, 2570, 2874, 3315, 3341, 3855, 4369, 4790, 6227, 6630, 6682, 7185, 7710, 8143, 8738, 10023, 12454, 13107, 14370, 16286, 16705, 18681, 20046, 21845, 24429, 26214, 31135, 33410, 37362, 40715, 43690, 48858, 50115, 56797, 62270, 65535, 81430, 93405, 100230, 105859, 113594, 122145, 123103, 131070, 170391, 186810, 211718, 244290, 246206, 283985, 317577, 340782, 369309, 529295, 567970, 615515, 635154, 738618, 851955, 1058590, 1231030, 1587885, 1600339, 1703910, 1846545, 2092751, 3175770, 3200678, 3693090, 4185502, 4801017, 6278253, 8001695, 9602034, 10463755, 12556506, 16003390, 20927510, 24005085, 27205763, 31391265, 48010170, 54411526, 62782530, 81617289, 136028815, 163234578, 272057630, 408086445, 816172890]

約数ペア:

[(1, 816172890), (2, 408086445), (3, 272057630), (5, 163234578), (6, 136028815), (10, 81617289), (13, 62782530), (15, 54411526), (17, 48010170), (26, 31391265), (30, 27205763), (34, 24005085), (39, 20927510), (51, 16003390), (65, 12556506), (78, 10463755), (85, 9602034), (102, 8001695), (130, 6278253), (170, 4801017), (195, 4185502), (221, 3693090), (255, 3200678), (257, 3175770), (390, 2092751), (442, 1846545), (479, 1703910), (510, 1600339), (514, 1587885), (663, 1231030), (771, 1058590), (958, 851955), (1105, 738618), (1285, 635154), (1326, 615515), (1437, 567970), (1542, 529295), (2210, 369309), (2395, 340782), (2570, 317577), (2874, 283985), (3315, 246206), (3341, 244290), (3855, 211718), (4369, 186810), (4790, 170391), (6227, 131070), (6630, 123103), (6682, 122145), (7185, 113594), (7710, 105859), (8143, 100230), (8738, 93405), (10023, 81430), (12454, 65535), (13107, 62270), (14370, 56797), (16286, 50115), (16705, 48858), (18681, 43690), (20046, 40715), (21845, 37362), (24429, 33410), (26214, 31135)]