28628340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 92424192

約数和(自身を除く): 63795852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 127, 130, 156, 170, 195, 204, 221, 254, 255, 260, 289, 340, 381, 390, 442, 508, 510, 578, 635, 663, 762, 780, 867, 884, 1020, 1105, 1156, 1270, 1326, 1445, 1524, 1651, 1734, 1905, 2159, 2210, 2540, 2652, 2890, 3302, 3315, 3468, 3757, 3810, 4318, 4335, 4420, 4953, 5780, 6477, 6604, 6630, 7514, 7620, 8255, 8636, 8670, 9906, 10795, 11271, 12954, 13260, 15028, 16510, 17340, 18785, 19812, 21590, 22542, 24765, 25908, 28067, 32385, 33020, 36703, 37570, 43180, 45084, 49530, 56134, 56355, 64770, 73406, 75140, 84201, 99060, 110109, 112268, 112710, 129540, 140335, 146812, 168402, 183515, 220218, 225420, 280670, 336804, 367030, 421005, 440436, 477139, 550545, 561340, 734060, 842010, 954278, 1101090, 1431417, 1684020, 1908556, 2202180, 2385695, 2862834, 4771390, 5725668, 7157085, 9542780, 14314170, 28628340]

約数ペア:

[(1, 28628340), (2, 14314170), (3, 9542780), (4, 7157085), (5, 5725668), (6, 4771390), (10, 2862834), (12, 2385695), (13, 2202180), (15, 1908556), (17, 1684020), (20, 1431417), (26, 1101090), (30, 954278), (34, 842010), (39, 734060), (51, 561340), (52, 550545), (60, 477139), (65, 440436), (68, 421005), (78, 367030), (85, 336804), (102, 280670), (127, 225420), (130, 220218), (156, 183515), (170, 168402), (195, 146812), (204, 140335), (221, 129540), (254, 112710), (255, 112268), (260, 110109), (289, 99060), (340, 84201), (381, 75140), (390, 73406), (442, 64770), (508, 56355), (510, 56134), (578, 49530), (635, 45084), (663, 43180), (762, 37570), (780, 36703), (867, 33020), (884, 32385), (1020, 28067), (1105, 25908), (1156, 24765), (1270, 22542), (1326, 21590), (1445, 19812), (1524, 18785), (1651, 17340), (1734, 16510), (1905, 15028), (2159, 13260), (2210, 12954), (2540, 11271), (2652, 10795), (2890, 9906), (3302, 8670), (3315, 8636), (3468, 8255), (3757, 7620), (3810, 7514), (4318, 6630), (4335, 6604), (4420, 6477), (4953, 5780)]