78740040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 252149760

約数和(自身を除く): 173409720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 276, 282, 345, 376, 460, 470, 552, 564, 607, 690, 705, 920, 940, 1081, 1128, 1214, 1380, 1410, 1821, 1880, 2162, 2428, 2760, 2820, 3035, 3243, 3642, 4324, 4856, 5405, 5640, 6070, 6486, 7284, 8648, 9105, 10810, 12140, 12972, 13961, 14568, 16215, 18210, 21620, 24280, 25944, 27922, 28529, 32430, 36420, 41883, 43240, 55844, 57058, 64860, 69805, 72840, 83766, 85587, 111688, 114116, 129720, 139610, 142645, 167532, 171174, 209415, 228232, 279220, 285290, 335064, 342348, 418830, 427935, 558440, 570580, 656167, 684696, 837660, 855870, 1141160, 1312334, 1675320, 1711740, 1968501, 2624668, 3280835, 3423480, 3937002, 5249336, 6561670, 7874004, 9842505, 13123340, 15748008, 19685010, 26246680, 39370020, 78740040]

約数ペア:

[(1, 78740040), (2, 39370020), (3, 26246680), (4, 19685010), (5, 15748008), (6, 13123340), (8, 9842505), (10, 7874004), (12, 6561670), (15, 5249336), (20, 3937002), (23, 3423480), (24, 3280835), (30, 2624668), (40, 1968501), (46, 1711740), (47, 1675320), (60, 1312334), (69, 1141160), (92, 855870), (94, 837660), (115, 684696), (120, 656167), (138, 570580), (141, 558440), (184, 427935), (188, 418830), (230, 342348), (235, 335064), (276, 285290), (282, 279220), (345, 228232), (376, 209415), (460, 171174), (470, 167532), (552, 142645), (564, 139610), (607, 129720), (690, 114116), (705, 111688), (920, 85587), (940, 83766), (1081, 72840), (1128, 69805), (1214, 64860), (1380, 57058), (1410, 55844), (1821, 43240), (1880, 41883), (2162, 36420), (2428, 32430), (2760, 28529), (2820, 27922), (3035, 25944), (3243, 24280), (3642, 21620), (4324, 18210), (4856, 16215), (5405, 14568), (5640, 13961), (6070, 12972), (6486, 12140), (7284, 10810), (8648, 9105)]