1878250627720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1489}}^1\times {\mathrm{4027}}^1$

素因数の和:5759

約数の個数: 128

約数和(自身を含む): 4355808307200

約数和(自身を除く): 2477557679480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 191, 205, 328, 382, 410, 764, 820, 955, 1489, 1528, 1640, 1910, 2978, 3820, 4027, 5956, 7445, 7640, 7831, 8054, 11912, 14890, 15662, 16108, 20135, 29780, 31324, 32216, 39155, 40270, 59560, 61049, 62648, 78310, 80540, 122098, 156620, 161080, 165107, 244196, 284399, 305245, 313240, 330214, 488392, 568798, 610490, 660428, 769157, 825535, 1137596, 1220980, 1320856, 1421995, 1538314, 1651070, 2275192, 2441960, 2843990, 3076628, 3302140, 3845785, 5687980, 5996203, 6153256, 6604280, 7691570, 11375960, 11660359, 11992406, 15383140, 23320718, 23984812, 29981015, 30766280, 31535437, 46641436, 47969624, 58301795, 59962030, 63070874, 93282872, 116603590, 119924060, 126141748, 157677185, 233207180, 239848120, 245844323, 252283496, 315354370, 466414360, 491688646, 630708740, 983377292, 1145274773, 1229221615, 1261417480, 1966754584, 2290549546, 2458443230, 4581099092, 4916886460, 5726373865, 9162198184, 9833772920, 11452747730, 22905495460, 45810990920, 46956265693, 93912531386, 187825062772, 234781328465, 375650125544, 469562656930, 939125313860, 1878250627720]

約数ペア:

[(1, 1878250627720), (2, 939125313860), (4, 469562656930), (5, 375650125544), (8, 234781328465), (10, 187825062772), (20, 93912531386), (40, 46956265693), (41, 45810990920), (82, 22905495460), (164, 11452747730), (191, 9833772920), (205, 9162198184), (328, 5726373865), (382, 4916886460), (410, 4581099092), (764, 2458443230), (820, 2290549546), (955, 1966754584), (1489, 1261417480), (1528, 1229221615), (1640, 1145274773), (1910, 983377292), (2978, 630708740), (3820, 491688646), (4027, 466414360), (5956, 315354370), (7445, 252283496), (7640, 245844323), (7831, 239848120), (8054, 233207180), (11912, 157677185), (14890, 126141748), (15662, 119924060), (16108, 116603590), (20135, 93282872), (29780, 63070874), (31324, 59962030), (32216, 58301795), (39155, 47969624), (40270, 46641436), (59560, 31535437), (61049, 30766280), (62648, 29981015), (78310, 23984812), (80540, 23320718), (122098, 15383140), (156620, 11992406), (161080, 11660359), (165107, 11375960), (244196, 7691570), (284399, 6604280), (305245, 6153256), (313240, 5996203), (330214, 5687980), (488392, 3845785), (568798, 3302140), (610490, 3076628), (660428, 2843990), (769157, 2441960), (825535, 2275192), (1137596, 1651070), (1220980, 1538314), (1320856, 1421995)]