81579540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10223}}^1$

素因数の和:10261

約数の個数: 96

約数和(自身を含む): 274821120

約数和(自身を除く): 193241580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 10223, 20446, 30669, 40892, 51115, 61338, 71561, 102230, 122676, 143122, 153345, 194237, 204460, 214683, 286244, 306690, 357805, 388474, 429366, 582711, 613380, 715610, 776948, 858732, 971185, 1073415, 1165422, 1359659, 1431220, 1942370, 2146830, 2330844, 2719318, 2913555, 3884740, 4078977, 4293660, 5438636, 5827110, 6798295, 8157954, 11654220, 13596590, 16315908, 20394885, 27193180, 40789770, 81579540]

約数ペア:

[(1, 81579540), (2, 40789770), (3, 27193180), (4, 20394885), (5, 16315908), (6, 13596590), (7, 11654220), (10, 8157954), (12, 6798295), (14, 5827110), (15, 5438636), (19, 4293660), (20, 4078977), (21, 3884740), (28, 2913555), (30, 2719318), (35, 2330844), (38, 2146830), (42, 1942370), (57, 1431220), (60, 1359659), (70, 1165422), (76, 1073415), (84, 971185), (95, 858732), (105, 776948), (114, 715610), (133, 613380), (140, 582711), (190, 429366), (210, 388474), (228, 357805), (266, 306690), (285, 286244), (380, 214683), (399, 204460), (420, 194237), (532, 153345), (570, 143122), (665, 122676), (798, 102230), (1140, 71561), (1330, 61338), (1596, 51115), (1995, 40892), (2660, 30669), (3990, 20446), (7980, 10223)]