129721360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2753}}^1$

素因数の和:2816

約数の個数: 80

約数和(自身を含む): 327836160

約数和(自身を除く): 198114800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2753, 2945, 4712, 5506, 5890, 9424, 11012, 11780, 13765, 22024, 23560, 27530, 44048, 47120, 52307, 55060, 85343, 104614, 110120, 170686, 209228, 220240, 261535, 341372, 418456, 426715, 523070, 682744, 836912, 853430, 1046140, 1365488, 1621517, 1706860, 2092280, 3243034, 3413720, 4184560, 6486068, 6827440, 8107585, 12972136, 16215170, 25944272, 32430340, 64860680, 129721360]

約数ペア:

[(1, 129721360), (2, 64860680), (4, 32430340), (5, 25944272), (8, 16215170), (10, 12972136), (16, 8107585), (19, 6827440), (20, 6486068), (31, 4184560), (38, 3413720), (40, 3243034), (62, 2092280), (76, 1706860), (80, 1621517), (95, 1365488), (124, 1046140), (152, 853430), (155, 836912), (190, 682744), (248, 523070), (304, 426715), (310, 418456), (380, 341372), (496, 261535), (589, 220240), (620, 209228), (760, 170686), (1178, 110120), (1240, 104614), (1520, 85343), (2356, 55060), (2480, 52307), (2753, 47120), (2945, 44048), (4712, 27530), (5506, 23560), (5890, 22024), (9424, 13765), (11012, 11780)]