78579960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 250076160

約数和(自身を除く): 171496200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 92, 115, 120, 138, 142, 184, 213, 230, 276, 284, 345, 355, 401, 426, 460, 552, 568, 690, 710, 802, 852, 920, 1065, 1203, 1380, 1420, 1604, 1633, 1704, 2005, 2130, 2406, 2760, 2840, 3208, 3266, 4010, 4260, 4812, 4899, 6015, 6532, 8020, 8165, 8520, 9223, 9624, 9798, 12030, 13064, 16040, 16330, 18446, 19596, 24060, 24495, 27669, 28471, 32660, 36892, 39192, 46115, 48120, 48990, 55338, 56942, 65320, 73784, 85413, 92230, 97980, 110676, 113884, 138345, 142355, 170826, 184460, 195960, 221352, 227768, 276690, 284710, 341652, 368920, 427065, 553380, 569420, 654833, 683304, 854130, 1106760, 1138840, 1309666, 1708260, 1964499, 2619332, 3274165, 3416520, 3928998, 5238664, 6548330, 7857996, 9822495, 13096660, 15715992, 19644990, 26193320, 39289980, 78579960]

約数ペア:

[(1, 78579960), (2, 39289980), (3, 26193320), (4, 19644990), (5, 15715992), (6, 13096660), (8, 9822495), (10, 7857996), (12, 6548330), (15, 5238664), (20, 3928998), (23, 3416520), (24, 3274165), (30, 2619332), (40, 1964499), (46, 1708260), (60, 1309666), (69, 1138840), (71, 1106760), (92, 854130), (115, 683304), (120, 654833), (138, 569420), (142, 553380), (184, 427065), (213, 368920), (230, 341652), (276, 284710), (284, 276690), (345, 227768), (355, 221352), (401, 195960), (426, 184460), (460, 170826), (552, 142355), (568, 138345), (690, 113884), (710, 110676), (802, 97980), (852, 92230), (920, 85413), (1065, 73784), (1203, 65320), (1380, 56942), (1420, 55338), (1604, 48990), (1633, 48120), (1704, 46115), (2005, 39192), (2130, 36892), (2406, 32660), (2760, 28471), (2840, 27669), (3208, 24495), (3266, 24060), (4010, 19596), (4260, 18446), (4812, 16330), (4899, 16040), (6015, 13064), (6532, 12030), (8020, 9798), (8165, 9624), (8520, 9223)]