85287200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 227485440

約数和(自身を除く): 142198240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 160, 181, 190, 200, 248, 304, 310, 362, 380, 400, 475, 496, 589, 608, 620, 724, 760, 775, 800, 905, 950, 992, 1178, 1240, 1448, 1520, 1550, 1810, 1900, 2356, 2480, 2896, 2945, 3040, 3100, 3439, 3620, 3800, 4525, 4712, 4960, 5611, 5792, 5890, 6200, 6878, 7240, 7600, 9050, 9424, 11222, 11780, 12400, 13756, 14480, 14725, 15200, 17195, 18100, 18848, 22444, 23560, 24800, 27512, 28055, 28960, 29450, 34390, 36200, 44888, 47120, 55024, 56110, 58900, 68780, 72400, 85975, 89776, 94240, 106609, 110048, 112220, 117800, 137560, 140275, 144800, 171950, 179552, 213218, 224440, 235600, 275120, 280550, 343900, 426436, 448880, 471200, 533045, 550240, 561100, 687800, 852872, 897760, 1066090, 1122200, 1375600, 1705744, 2132180, 2244400, 2665225, 2751200, 3411488, 4264360, 4488800, 5330450, 8528720, 10660900, 17057440, 21321800, 42643600, 85287200]

約数ペア:

[(1, 85287200), (2, 42643600), (4, 21321800), (5, 17057440), (8, 10660900), (10, 8528720), (16, 5330450), (19, 4488800), (20, 4264360), (25, 3411488), (31, 2751200), (32, 2665225), (38, 2244400), (40, 2132180), (50, 1705744), (62, 1375600), (76, 1122200), (80, 1066090), (95, 897760), (100, 852872), (124, 687800), (152, 561100), (155, 550240), (160, 533045), (181, 471200), (190, 448880), (200, 426436), (248, 343900), (304, 280550), (310, 275120), (362, 235600), (380, 224440), (400, 213218), (475, 179552), (496, 171950), (589, 144800), (608, 140275), (620, 137560), (724, 117800), (760, 112220), (775, 110048), (800, 106609), (905, 94240), (950, 89776), (992, 85975), (1178, 72400), (1240, 68780), (1448, 58900), (1520, 56110), (1550, 55024), (1810, 47120), (1900, 44888), (2356, 36200), (2480, 34390), (2896, 29450), (2945, 28960), (3040, 28055), (3100, 27512), (3439, 24800), (3620, 23560), (3800, 22444), (4525, 18848), (4712, 18100), (4960, 17195), (5611, 15200), (5792, 14725), (5890, 14480), (6200, 13756), (6878, 12400), (7240, 11780), (7600, 11222), (9050, 9424)]