15871100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 108

約数和(自身を含む): 41559840

約数和(自身を除く): 25688740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 79, 82, 98, 100, 140, 158, 164, 175, 196, 205, 245, 287, 316, 350, 395, 410, 490, 553, 574, 700, 790, 820, 980, 1025, 1106, 1148, 1225, 1435, 1580, 1975, 2009, 2050, 2212, 2450, 2765, 2870, 3239, 3871, 3950, 4018, 4100, 4900, 5530, 5740, 6478, 7175, 7742, 7900, 8036, 10045, 11060, 12956, 13825, 14350, 15484, 16195, 19355, 20090, 22673, 27650, 28700, 32390, 38710, 40180, 45346, 50225, 55300, 64780, 77420, 80975, 90692, 96775, 100450, 113365, 158711, 161950, 193550, 200900, 226730, 317422, 323900, 387100, 453460, 566825, 634844, 793555, 1133650, 1587110, 2267300, 3174220, 3967775, 7935550, 15871100]

約数ペア:

[(1, 15871100), (2, 7935550), (4, 3967775), (5, 3174220), (7, 2267300), (10, 1587110), (14, 1133650), (20, 793555), (25, 634844), (28, 566825), (35, 453460), (41, 387100), (49, 323900), (50, 317422), (70, 226730), (79, 200900), (82, 193550), (98, 161950), (100, 158711), (140, 113365), (158, 100450), (164, 96775), (175, 90692), (196, 80975), (205, 77420), (245, 64780), (287, 55300), (316, 50225), (350, 45346), (395, 40180), (410, 38710), (490, 32390), (553, 28700), (574, 27650), (700, 22673), (790, 20090), (820, 19355), (980, 16195), (1025, 15484), (1106, 14350), (1148, 13825), (1225, 12956), (1435, 11060), (1580, 10045), (1975, 8036), (2009, 7900), (2050, 7742), (2212, 7175), (2450, 6478), (2765, 5740), (2870, 5530), (3239, 4900), (3871, 4100), (3950, 4018)]