818561640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:444

約数の個数: 192

約数和(自身を含む): 2685795840

約数和(自身を除く): 1867234200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 181, 195, 223, 260, 312, 338, 362, 390, 446, 507, 520, 543, 669, 676, 724, 780, 845, 892, 905, 1014, 1086, 1115, 1338, 1352, 1448, 1560, 1690, 1784, 1810, 2028, 2172, 2230, 2353, 2535, 2676, 2715, 2899, 3345, 3380, 3620, 4056, 4344, 4460, 4706, 5070, 5352, 5430, 5798, 6690, 6760, 7059, 7240, 8697, 8920, 9412, 10140, 10860, 11596, 11765, 13380, 14118, 14495, 17394, 18824, 20280, 21720, 23192, 23530, 26760, 28236, 28990, 30589, 34788, 35295, 37687, 40363, 43485, 47060, 56472, 57980, 61178, 69576, 70590, 75374, 80726, 86970, 91767, 94120, 113061, 115960, 121089, 122356, 141180, 150748, 152945, 161452, 173940, 183534, 188435, 201815, 226122, 242178, 244712, 282360, 301496, 305890, 322904, 347880, 367068, 376870, 403630, 452244, 458835, 484356, 524719, 565305, 605445, 611780, 734136, 753740, 807260, 904488, 917670, 968712, 1049438, 1130610, 1210890, 1223560, 1507480, 1574157, 1614520, 1835340, 2098876, 2261220, 2421780, 2623595, 3148314, 3670680, 4197752, 4522440, 4843560, 5247190, 6296628, 6821347, 7870785, 10494380, 12593256, 13642694, 15741570, 20464041, 20988760, 27285388, 31483140, 34106735, 40928082, 54570776, 62966280, 68213470, 81856164, 102320205, 136426940, 163712328, 204640410, 272853880, 409280820, 818561640]

約数ペア:

[(1, 818561640), (2, 409280820), (3, 272853880), (4, 204640410), (5, 163712328), (6, 136426940), (8, 102320205), (10, 81856164), (12, 68213470), (13, 62966280), (15, 54570776), (20, 40928082), (24, 34106735), (26, 31483140), (30, 27285388), (39, 20988760), (40, 20464041), (52, 15741570), (60, 13642694), (65, 12593256), (78, 10494380), (104, 7870785), (120, 6821347), (130, 6296628), (156, 5247190), (169, 4843560), (181, 4522440), (195, 4197752), (223, 3670680), (260, 3148314), (312, 2623595), (338, 2421780), (362, 2261220), (390, 2098876), (446, 1835340), (507, 1614520), (520, 1574157), (543, 1507480), (669, 1223560), (676, 1210890), (724, 1130610), (780, 1049438), (845, 968712), (892, 917670), (905, 904488), (1014, 807260), (1086, 753740), (1115, 734136), (1338, 611780), (1352, 605445), (1448, 565305), (1560, 524719), (1690, 484356), (1784, 458835), (1810, 452244), (2028, 403630), (2172, 376870), (2230, 367068), (2353, 347880), (2535, 322904), (2676, 305890), (2715, 301496), (2899, 282360), (3345, 244712), (3380, 242178), (3620, 226122), (4056, 201815), (4344, 188435), (4460, 183534), (4706, 173940), (5070, 161452), (5352, 152945), (5430, 150748), (5798, 141180), (6690, 122356), (6760, 121089), (7059, 115960), (7240, 113061), (8697, 94120), (8920, 91767), (9412, 86970), (10140, 80726), (10860, 75374), (11596, 70590), (11765, 69576), (13380, 61178), (14118, 57980), (14495, 56472), (17394, 47060), (18824, 43485), (20280, 40363), (21720, 37687), (23192, 35295), (23530, 34788), (26760, 30589), (28236, 28990)]