31129800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{307}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 104837040

約数和(自身を除く): 73707240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 169, 195, 200, 260, 300, 307, 312, 325, 338, 390, 507, 520, 600, 614, 650, 676, 780, 845, 921, 975, 1014, 1228, 1300, 1352, 1535, 1560, 1690, 1842, 1950, 2028, 2456, 2535, 2600, 3070, 3380, 3684, 3900, 3991, 4056, 4225, 4605, 5070, 6140, 6760, 7368, 7675, 7800, 7982, 8450, 9210, 10140, 11973, 12280, 12675, 15350, 15964, 16900, 18420, 19955, 20280, 23025, 23946, 25350, 30700, 31928, 33800, 36840, 39910, 46050, 47892, 50700, 51883, 59865, 61400, 79820, 92100, 95784, 99775, 101400, 103766, 119730, 155649, 159640, 184200, 199550, 207532, 239460, 259415, 299325, 311298, 399100, 415064, 478920, 518830, 598650, 622596, 778245, 798200, 1037660, 1197300, 1245192, 1297075, 1556490, 2075320, 2394600, 2594150, 3112980, 3891225, 5188300, 6225960, 7782450, 10376600, 15564900, 31129800]

約数ペア:

[(1, 31129800), (2, 15564900), (3, 10376600), (4, 7782450), (5, 6225960), (6, 5188300), (8, 3891225), (10, 3112980), (12, 2594150), (13, 2394600), (15, 2075320), (20, 1556490), (24, 1297075), (25, 1245192), (26, 1197300), (30, 1037660), (39, 798200), (40, 778245), (50, 622596), (52, 598650), (60, 518830), (65, 478920), (75, 415064), (78, 399100), (100, 311298), (104, 299325), (120, 259415), (130, 239460), (150, 207532), (156, 199550), (169, 184200), (195, 159640), (200, 155649), (260, 119730), (300, 103766), (307, 101400), (312, 99775), (325, 95784), (338, 92100), (390, 79820), (507, 61400), (520, 59865), (600, 51883), (614, 50700), (650, 47892), (676, 46050), (780, 39910), (845, 36840), (921, 33800), (975, 31928), (1014, 30700), (1228, 25350), (1300, 23946), (1352, 23025), (1535, 20280), (1560, 19955), (1690, 18420), (1842, 16900), (1950, 15964), (2028, 15350), (2456, 12675), (2535, 12280), (2600, 11973), (3070, 10140), (3380, 9210), (3684, 8450), (3900, 7982), (3991, 7800), (4056, 7675), (4225, 7368), (4605, 6760), (5070, 6140)]