181977440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1996

約数の個数: 96

約数和(自身を含む): 467389440

約数和(自身を除く): 285412000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 496, 589, 608, 620, 760, 992, 1178, 1240, 1520, 1931, 2356, 2480, 2945, 3040, 3862, 4712, 4960, 5890, 7724, 9424, 9655, 11780, 15448, 18848, 19310, 23560, 30896, 36689, 38620, 47120, 59861, 61792, 73378, 77240, 94240, 119722, 146756, 154480, 183445, 239444, 293512, 299305, 308960, 366890, 478888, 587024, 598610, 733780, 957776, 1137359, 1174048, 1197220, 1467560, 1915552, 2274718, 2394440, 2935120, 4549436, 4788880, 5686795, 5870240, 9098872, 9577760, 11373590, 18197744, 22747180, 36395488, 45494360, 90988720, 181977440]

約数ペア:

[(1, 181977440), (2, 90988720), (4, 45494360), (5, 36395488), (8, 22747180), (10, 18197744), (16, 11373590), (19, 9577760), (20, 9098872), (31, 5870240), (32, 5686795), (38, 4788880), (40, 4549436), (62, 2935120), (76, 2394440), (80, 2274718), (95, 1915552), (124, 1467560), (152, 1197220), (155, 1174048), (160, 1137359), (190, 957776), (248, 733780), (304, 598610), (310, 587024), (380, 478888), (496, 366890), (589, 308960), (608, 299305), (620, 293512), (760, 239444), (992, 183445), (1178, 154480), (1240, 146756), (1520, 119722), (1931, 94240), (2356, 77240), (2480, 73378), (2945, 61792), (3040, 59861), (3862, 47120), (4712, 38620), (4960, 36689), (5890, 30896), (7724, 23560), (9424, 19310), (9655, 18848), (11780, 15448)]