1248719680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 224

約数和(自身を含む): 3457456128

約数和(自身を除く): 2208736448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 32, 40, 46, 52, 62, 64, 65, 80, 92, 104, 115, 124, 130, 155, 160, 184, 208, 230, 248, 260, 299, 310, 320, 368, 403, 416, 421, 460, 496, 520, 598, 620, 713, 736, 806, 832, 842, 920, 992, 1040, 1196, 1240, 1426, 1472, 1495, 1612, 1684, 1840, 1984, 2015, 2080, 2105, 2392, 2480, 2852, 2990, 3224, 3368, 3565, 3680, 4030, 4160, 4210, 4784, 4960, 5473, 5704, 5980, 6448, 6736, 7130, 7360, 8060, 8420, 9269, 9568, 9683, 9920, 10946, 11408, 11960, 12896, 13051, 13472, 14260, 16120, 16840, 18538, 19136, 19366, 21892, 22816, 23920, 25792, 26102, 26944, 27365, 28520, 32240, 33680, 37076, 38732, 43784, 45632, 46345, 47840, 48415, 52204, 54730, 57040, 64480, 65255, 67360, 74152, 77464, 87568, 92690, 95680, 96830, 104408, 109460, 114080, 125879, 128960, 130510, 134720, 148304, 154928, 169663, 175136, 185380, 193660, 208816, 218920, 228160, 251758, 261020, 296608, 300173, 309856, 339326, 350272, 370760, 387320, 417632, 437840, 503516, 522040, 593216, 600346, 619712, 629395, 678652, 741520, 774640, 835264, 848315, 875680, 1007032, 1044080, 1200692, 1258790, 1357304, 1483040, 1500865, 1549280, 1696630, 1751360, 2014064, 2088160, 2401384, 2517580, 2714608, 2966080, 3001730, 3098560, 3393260, 3902249, 4028128, 4176320, 4802768, 5035160, 5429216, 6003460, 6786520, 7804498, 8056256, 9605536, 10070320, 10858432, 12006920, 13573040, 15608996, 19211072, 19511245, 20140640, 24013840, 27146080, 31217992, 39022490, 40281280, 48027680, 54292160, 62435984, 78044980, 96055360, 124871968, 156089960, 249743936, 312179920, 624359840, 1248719680]

約数ペア:

[(1, 1248719680), (2, 624359840), (4, 312179920), (5, 249743936), (8, 156089960), (10, 124871968), (13, 96055360), (16, 78044980), (20, 62435984), (23, 54292160), (26, 48027680), (31, 40281280), (32, 39022490), (40, 31217992), (46, 27146080), (52, 24013840), (62, 20140640), (64, 19511245), (65, 19211072), (80, 15608996), (92, 13573040), (104, 12006920), (115, 10858432), (124, 10070320), (130, 9605536), (155, 8056256), (160, 7804498), (184, 6786520), (208, 6003460), (230, 5429216), (248, 5035160), (260, 4802768), (299, 4176320), (310, 4028128), (320, 3902249), (368, 3393260), (403, 3098560), (416, 3001730), (421, 2966080), (460, 2714608), (496, 2517580), (520, 2401384), (598, 2088160), (620, 2014064), (713, 1751360), (736, 1696630), (806, 1549280), (832, 1500865), (842, 1483040), (920, 1357304), (992, 1258790), (1040, 1200692), (1196, 1044080), (1240, 1007032), (1426, 875680), (1472, 848315), (1495, 835264), (1612, 774640), (1684, 741520), (1840, 678652), (1984, 629395), (2015, 619712), (2080, 600346), (2105, 593216), (2392, 522040), (2480, 503516), (2852, 437840), (2990, 417632), (3224, 387320), (3368, 370760), (3565, 350272), (3680, 339326), (4030, 309856), (4160, 300173), (4210, 296608), (4784, 261020), (4960, 251758), (5473, 228160), (5704, 218920), (5980, 208816), (6448, 193660), (6736, 185380), (7130, 175136), (7360, 169663), (8060, 154928), (8420, 148304), (9269, 134720), (9568, 130510), (9683, 128960), (9920, 125879), (10946, 114080), (11408, 109460), (11960, 104408), (12896, 96830), (13051, 95680), (13472, 92690), (14260, 87568), (16120, 77464), (16840, 74152), (18538, 67360), (19136, 65255), (19366, 64480), (21892, 57040), (22816, 54730), (23920, 52204), (25792, 48415), (26102, 47840), (26944, 46345), (27365, 45632), (28520, 43784), (32240, 38732), (33680, 37076)]