64688910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:938

約数の個数: 128

約数和(自身を含む): 193342464

約数和(自身を除く): 128653554

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 17, 22, 26, 30, 33, 34, 39, 51, 55, 65, 66, 78, 85, 102, 110, 130, 143, 165, 170, 187, 195, 221, 255, 286, 330, 374, 390, 429, 442, 510, 561, 663, 715, 858, 887, 935, 1105, 1122, 1326, 1430, 1774, 1870, 2145, 2210, 2431, 2661, 2805, 3315, 4290, 4435, 4862, 5322, 5610, 6630, 7293, 8870, 9757, 11531, 12155, 13305, 14586, 15079, 19514, 23062, 24310, 26610, 29271, 30158, 34593, 36465, 45237, 48785, 57655, 58542, 69186, 72930, 75395, 90474, 97570, 115310, 126841, 146355, 150790, 165869, 172965, 196027, 226185, 253682, 292710, 331738, 345930, 380523, 392054, 452370, 497607, 588081, 634205, 761046, 829345, 980135, 995214, 1176162, 1268410, 1658690, 1902615, 1960270, 2156297, 2488035, 2940405, 3805230, 4312594, 4976070, 5880810, 6468891, 10781485, 12937782, 21562970, 32344455, 64688910]

約数ペア:

[(1, 64688910), (2, 32344455), (3, 21562970), (5, 12937782), (6, 10781485), (10, 6468891), (11, 5880810), (13, 4976070), (15, 4312594), (17, 3805230), (22, 2940405), (26, 2488035), (30, 2156297), (33, 1960270), (34, 1902615), (39, 1658690), (51, 1268410), (55, 1176162), (65, 995214), (66, 980135), (78, 829345), (85, 761046), (102, 634205), (110, 588081), (130, 497607), (143, 452370), (165, 392054), (170, 380523), (187, 345930), (195, 331738), (221, 292710), (255, 253682), (286, 226185), (330, 196027), (374, 172965), (390, 165869), (429, 150790), (442, 146355), (510, 126841), (561, 115310), (663, 97570), (715, 90474), (858, 75395), (887, 72930), (935, 69186), (1105, 58542), (1122, 57655), (1326, 48785), (1430, 45237), (1774, 36465), (1870, 34593), (2145, 30158), (2210, 29271), (2431, 26610), (2661, 24310), (2805, 23062), (3315, 19514), (4290, 15079), (4435, 14586), (4862, 13305), (5322, 12155), (5610, 11531), (6630, 9757), (7293, 8870)]