1261567320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1450

約数の個数: 256

約数和(自身を含む): 4431974400

約数和(自身を除く): 3170407080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 31, 38, 39, 40, 52, 57, 60, 62, 65, 76, 78, 93, 95, 104, 114, 120, 124, 130, 152, 155, 156, 186, 190, 195, 228, 247, 248, 260, 285, 310, 312, 372, 380, 390, 403, 456, 465, 494, 520, 570, 589, 620, 741, 744, 760, 780, 806, 930, 988, 1140, 1178, 1209, 1235, 1240, 1373, 1482, 1560, 1612, 1767, 1860, 1976, 2015, 2280, 2356, 2418, 2470, 2746, 2945, 2964, 3224, 3534, 3705, 3720, 4030, 4119, 4712, 4836, 4940, 5492, 5890, 5928, 6045, 6865, 7068, 7410, 7657, 8060, 8238, 8835, 9672, 9880, 10984, 11780, 12090, 13730, 14136, 14820, 15314, 16120, 16476, 17670, 17849, 20595, 22971, 23560, 24180, 26087, 27460, 29640, 30628, 32952, 35340, 35698, 38285, 41190, 42563, 45942, 48360, 52174, 53547, 54920, 61256, 70680, 71396, 76570, 78261, 82380, 85126, 89245, 91884, 104348, 107094, 114855, 127689, 130435, 142792, 153140, 156522, 164760, 170252, 178490, 183768, 208696, 212815, 214188, 229710, 255378, 260870, 267735, 306280, 313044, 339131, 340504, 356980, 391305, 425630, 428376, 459420, 510756, 521740, 535470, 553319, 626088, 638445, 678262, 713960, 782610, 808697, 851260, 918840, 1017393, 1021512, 1043480, 1070940, 1106638, 1276890, 1356524, 1565220, 1617394, 1659957, 1695655, 1702520, 2034786, 2141880, 2213276, 2426091, 2553780, 2713048, 2766595, 3130440, 3234788, 3319914, 3391310, 4043485, 4069572, 4426552, 4852182, 5086965, 5107560, 5533190, 6469576, 6639828, 6782620, 8086970, 8139144, 8299785, 9704364, 10173930, 10513061, 11066380, 12130455, 13279656, 13565240, 16173940, 16599570, 19408728, 20347860, 21026122, 22132760, 24260910, 31539183, 32347880, 33199140, 40695720, 42052244, 48521820, 52565305, 63078366, 66398280, 84104488, 97043640, 105130610, 126156732, 157695915, 210261220, 252313464, 315391830, 420522440, 630783660, 1261567320]

約数ペア:

[(1, 1261567320), (2, 630783660), (3, 420522440), (4, 315391830), (5, 252313464), (6, 210261220), (8, 157695915), (10, 126156732), (12, 105130610), (13, 97043640), (15, 84104488), (19, 66398280), (20, 63078366), (24, 52565305), (26, 48521820), (30, 42052244), (31, 40695720), (38, 33199140), (39, 32347880), (40, 31539183), (52, 24260910), (57, 22132760), (60, 21026122), (62, 20347860), (65, 19408728), (76, 16599570), (78, 16173940), (93, 13565240), (95, 13279656), (104, 12130455), (114, 11066380), (120, 10513061), (124, 10173930), (130, 9704364), (152, 8299785), (155, 8139144), (156, 8086970), (186, 6782620), (190, 6639828), (195, 6469576), (228, 5533190), (247, 5107560), (248, 5086965), (260, 4852182), (285, 4426552), (310, 4069572), (312, 4043485), (372, 3391310), (380, 3319914), (390, 3234788), (403, 3130440), (456, 2766595), (465, 2713048), (494, 2553780), (520, 2426091), (570, 2213276), (589, 2141880), (620, 2034786), (741, 1702520), (744, 1695655), (760, 1659957), (780, 1617394), (806, 1565220), (930, 1356524), (988, 1276890), (1140, 1106638), (1178, 1070940), (1209, 1043480), (1235, 1021512), (1240, 1017393), (1373, 918840), (1482, 851260), (1560, 808697), (1612, 782610), (1767, 713960), (1860, 678262), (1976, 638445), (2015, 626088), (2280, 553319), (2356, 535470), (2418, 521740), (2470, 510756), (2746, 459420), (2945, 428376), (2964, 425630), (3224, 391305), (3534, 356980), (3705, 340504), (3720, 339131), (4030, 313044), (4119, 306280), (4712, 267735), (4836, 260870), (4940, 255378), (5492, 229710), (5890, 214188), (5928, 212815), (6045, 208696), (6865, 183768), (7068, 178490), (7410, 170252), (7657, 164760), (8060, 156522), (8238, 153140), (8835, 142792), (9672, 130435), (9880, 127689), (10984, 114855), (11780, 107094), (12090, 104348), (13730, 91884), (14136, 89245), (14820, 85126), (15314, 82380), (16120, 78261), (16476, 76570), (17670, 71396), (17849, 70680), (20595, 61256), (22971, 54920), (23560, 53547), (24180, 52174), (26087, 48360), (27460, 45942), (29640, 42563), (30628, 41190), (32952, 38285), (35340, 35698)]