81753200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:415

約数の個数: 120

約数和(自身を含む): 214033920

約数和(自身を除く): 132280720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 347, 380, 400, 475, 496, 589, 620, 694, 760, 775, 950, 1178, 1240, 1388, 1520, 1550, 1735, 1900, 2356, 2480, 2776, 2945, 3100, 3470, 3800, 4712, 5552, 5890, 6200, 6593, 6940, 7600, 8675, 9424, 10757, 11780, 12400, 13186, 13880, 14725, 17350, 21514, 23560, 26372, 27760, 29450, 32965, 34700, 43028, 47120, 52744, 53785, 58900, 65930, 69400, 86056, 105488, 107570, 117800, 131860, 138800, 164825, 172112, 204383, 215140, 235600, 263720, 268925, 329650, 408766, 430280, 527440, 537850, 659300, 817532, 860560, 1021915, 1075700, 1318600, 1635064, 2043830, 2151400, 2637200, 3270128, 4087660, 4302800, 5109575, 8175320, 10219150, 16350640, 20438300, 40876600, 81753200]

約数ペア:

[(1, 81753200), (2, 40876600), (4, 20438300), (5, 16350640), (8, 10219150), (10, 8175320), (16, 5109575), (19, 4302800), (20, 4087660), (25, 3270128), (31, 2637200), (38, 2151400), (40, 2043830), (50, 1635064), (62, 1318600), (76, 1075700), (80, 1021915), (95, 860560), (100, 817532), (124, 659300), (152, 537850), (155, 527440), (190, 430280), (200, 408766), (248, 329650), (304, 268925), (310, 263720), (347, 235600), (380, 215140), (400, 204383), (475, 172112), (496, 164825), (589, 138800), (620, 131860), (694, 117800), (760, 107570), (775, 105488), (950, 86056), (1178, 69400), (1240, 65930), (1388, 58900), (1520, 53785), (1550, 52744), (1735, 47120), (1900, 43028), (2356, 34700), (2480, 32965), (2776, 29450), (2945, 27760), (3100, 26372), (3470, 23560), (3800, 21514), (4712, 17350), (5552, 14725), (5890, 13880), (6200, 13186), (6593, 12400), (6940, 11780), (7600, 10757), (8675, 9424)]