78971490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 229824000

約数和(自身を除く): 150852510

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 149, 151, 195, 234, 270, 298, 302, 351, 390, 447, 453, 585, 702, 745, 755, 894, 906, 1170, 1341, 1359, 1490, 1510, 1755, 1937, 1963, 2235, 2265, 2682, 2718, 3510, 3874, 3926, 4023, 4077, 4470, 4530, 5811, 5889, 6705, 6795, 8046, 8154, 9685, 9815, 11622, 11778, 13410, 13590, 17433, 17667, 19370, 19630, 20115, 20385, 22499, 29055, 29445, 34866, 35334, 40230, 40770, 44998, 52299, 53001, 58110, 58890, 67497, 87165, 88335, 104598, 106002, 112495, 134994, 174330, 176670, 202491, 224990, 261495, 265005, 292487, 337485, 404982, 522990, 530010, 584974, 607473, 674970, 877461, 1012455, 1214946, 1462435, 1754922, 2024910, 2632383, 2924870, 3037365, 4387305, 5264766, 6074730, 7897149, 8774610, 13161915, 15794298, 26323830, 39485745, 78971490]

約数ペア:

[(1, 78971490), (2, 39485745), (3, 26323830), (5, 15794298), (6, 13161915), (9, 8774610), (10, 7897149), (13, 6074730), (15, 5264766), (18, 4387305), (26, 3037365), (27, 2924870), (30, 2632383), (39, 2024910), (45, 1754922), (54, 1462435), (65, 1214946), (78, 1012455), (90, 877461), (117, 674970), (130, 607473), (135, 584974), (149, 530010), (151, 522990), (195, 404982), (234, 337485), (270, 292487), (298, 265005), (302, 261495), (351, 224990), (390, 202491), (447, 176670), (453, 174330), (585, 134994), (702, 112495), (745, 106002), (755, 104598), (894, 88335), (906, 87165), (1170, 67497), (1341, 58890), (1359, 58110), (1490, 53001), (1510, 52299), (1755, 44998), (1937, 40770), (1963, 40230), (2235, 35334), (2265, 34866), (2682, 29445), (2718, 29055), (3510, 22499), (3874, 20385), (3926, 20115), (4023, 19630), (4077, 19370), (4470, 17667), (4530, 17433), (5811, 13590), (5889, 13410), (6705, 11778), (6795, 11622), (8046, 9815), (8154, 9685)]