80785380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 253822464

約数和(自身を除く): 173037084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 257, 260, 310, 338, 372, 390, 403, 465, 507, 514, 620, 676, 771, 780, 806, 845, 930, 1014, 1028, 1209, 1285, 1542, 1612, 1690, 1860, 2015, 2028, 2418, 2535, 2570, 3084, 3341, 3380, 3855, 4030, 4836, 5070, 5140, 5239, 6045, 6682, 7710, 7967, 8060, 10023, 10140, 10478, 12090, 13364, 15420, 15717, 15934, 16705, 20046, 20956, 23901, 24180, 26195, 31434, 31868, 33410, 39835, 40092, 43433, 47802, 50115, 52390, 62868, 66820, 78585, 79670, 86866, 95604, 100230, 103571, 104780, 119505, 130299, 157170, 159340, 173732, 200460, 207142, 217165, 239010, 260598, 310713, 314340, 414284, 434330, 478020, 517855, 521196, 621426, 651495, 868660, 1035710, 1242852, 1302990, 1346423, 1553565, 2071420, 2605980, 2692846, 3107130, 4039269, 5385692, 6214260, 6732115, 8078538, 13464230, 16157076, 20196345, 26928460, 40392690, 80785380]

約数ペア:

[(1, 80785380), (2, 40392690), (3, 26928460), (4, 20196345), (5, 16157076), (6, 13464230), (10, 8078538), (12, 6732115), (13, 6214260), (15, 5385692), (20, 4039269), (26, 3107130), (30, 2692846), (31, 2605980), (39, 2071420), (52, 1553565), (60, 1346423), (62, 1302990), (65, 1242852), (78, 1035710), (93, 868660), (124, 651495), (130, 621426), (155, 521196), (156, 517855), (169, 478020), (186, 434330), (195, 414284), (257, 314340), (260, 310713), (310, 260598), (338, 239010), (372, 217165), (390, 207142), (403, 200460), (465, 173732), (507, 159340), (514, 157170), (620, 130299), (676, 119505), (771, 104780), (780, 103571), (806, 100230), (845, 95604), (930, 86866), (1014, 79670), (1028, 78585), (1209, 66820), (1285, 62868), (1542, 52390), (1612, 50115), (1690, 47802), (1860, 43433), (2015, 40092), (2028, 39835), (2418, 33410), (2535, 31868), (2570, 31434), (3084, 26195), (3341, 24180), (3380, 23901), (3855, 20956), (4030, 20046), (4836, 16705), (5070, 15934), (5140, 15717), (5239, 15420), (6045, 13364), (6682, 12090), (7710, 10478), (7967, 10140), (8060, 10023)]