820798160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3637}}^1$

素因数の和:3701

約数の個数: 160

約数和(自身を含む): 2425178112

約数和(自身を除く): 1604379952

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 3224, 3472, 3637, 3640, 4030, 4340, 5642, 6448, 7274, 7280, 8060, 8680, 11284, 14105, 14548, 16120, 17360, 18185, 22568, 25459, 28210, 29096, 32240, 36370, 45136, 47281, 50918, 56420, 58192, 72740, 94562, 101836, 112747, 112840, 127295, 145480, 189124, 203672, 225494, 225680, 236405, 254590, 290960, 330967, 378248, 407344, 450988, 472810, 509180, 563735, 661934, 756496, 789229, 901976, 945620, 1018360, 1127470, 1323868, 1465711, 1578458, 1654835, 1803952, 1891240, 2036720, 2254940, 2647736, 2931422, 3156916, 3309670, 3782480, 3946145, 4509880, 5295472, 5862844, 6313832, 6619340, 7328555, 7892290, 9019760, 10259977, 11725688, 12627664, 13238680, 14657110, 15784580, 20519954, 23451376, 26477360, 29314220, 31569160, 41039908, 51299885, 58628440, 63138320, 82079816, 102599770, 117256880, 164159632, 205199540, 410399080, 820798160]

約数ペア:

[(1, 820798160), (2, 410399080), (4, 205199540), (5, 164159632), (7, 117256880), (8, 102599770), (10, 82079816), (13, 63138320), (14, 58628440), (16, 51299885), (20, 41039908), (26, 31569160), (28, 29314220), (31, 26477360), (35, 23451376), (40, 20519954), (52, 15784580), (56, 14657110), (62, 13238680), (65, 12627664), (70, 11725688), (80, 10259977), (91, 9019760), (104, 7892290), (112, 7328555), (124, 6619340), (130, 6313832), (140, 5862844), (155, 5295472), (182, 4509880), (208, 3946145), (217, 3782480), (248, 3309670), (260, 3156916), (280, 2931422), (310, 2647736), (364, 2254940), (403, 2036720), (434, 1891240), (455, 1803952), (496, 1654835), (520, 1578458), (560, 1465711), (620, 1323868), (728, 1127470), (806, 1018360), (868, 945620), (910, 901976), (1040, 789229), (1085, 756496), (1240, 661934), (1456, 563735), (1612, 509180), (1736, 472810), (1820, 450988), (2015, 407344), (2170, 378248), (2480, 330967), (2821, 290960), (3224, 254590), (3472, 236405), (3637, 225680), (3640, 225494), (4030, 203672), (4340, 189124), (5642, 145480), (6448, 127295), (7274, 112840), (7280, 112747), (8060, 101836), (8680, 94562), (11284, 72740), (14105, 58192), (14548, 56420), (16120, 50918), (17360, 47281), (18185, 45136), (22568, 36370), (25459, 32240), (28210, 29096)]