128976750

素因数分解:

$2^1\times 3^2\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 420526080

約数和(自身を除く): 291549330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 30, 35, 38, 42, 45, 50, 57, 63, 70, 75, 90, 95, 105, 114, 125, 126, 133, 150, 171, 175, 190, 210, 225, 250, 266, 285, 315, 342, 350, 375, 399, 431, 450, 475, 525, 570, 630, 665, 750, 798, 855, 862, 875, 950, 1050, 1125, 1197, 1293, 1330, 1425, 1575, 1710, 1750, 1995, 2155, 2250, 2375, 2394, 2586, 2625, 2850, 3017, 3150, 3325, 3879, 3990, 4275, 4310, 4750, 5250, 5985, 6034, 6465, 6650, 7125, 7758, 7875, 8189, 8550, 9051, 9975, 10775, 11970, 12930, 14250, 15085, 15750, 16378, 16625, 18102, 19395, 19950, 21375, 21550, 24567, 27153, 29925, 30170, 32325, 33250, 38790, 40945, 42750, 45255, 49134, 49875, 53875, 54306, 57323, 59850, 64650, 73701, 75425, 81890, 90510, 96975, 99750, 107750, 114646, 122835, 135765, 147402, 149625, 150850, 161625, 171969, 193950, 204725, 226275, 245670, 271530, 286615, 299250, 323250, 343938, 368505, 377125, 409450, 452550, 484875, 515907, 573230, 614175, 678825, 737010, 754250, 859845, 969750, 1023625, 1031814, 1131375, 1228350, 1357650, 1433075, 1719690, 1842525, 2047250, 2262750, 2579535, 2866150, 3070875, 3394125, 3685050, 4299225, 5159070, 6141750, 6788250, 7165375, 8598450, 9212625, 12897675, 14330750, 18425250, 21496125, 25795350, 42992250, 64488375, 128976750]

約数ペア:

[(1, 128976750), (2, 64488375), (3, 42992250), (5, 25795350), (6, 21496125), (7, 18425250), (9, 14330750), (10, 12897675), (14, 9212625), (15, 8598450), (18, 7165375), (19, 6788250), (21, 6141750), (25, 5159070), (30, 4299225), (35, 3685050), (38, 3394125), (42, 3070875), (45, 2866150), (50, 2579535), (57, 2262750), (63, 2047250), (70, 1842525), (75, 1719690), (90, 1433075), (95, 1357650), (105, 1228350), (114, 1131375), (125, 1031814), (126, 1023625), (133, 969750), (150, 859845), (171, 754250), (175, 737010), (190, 678825), (210, 614175), (225, 573230), (250, 515907), (266, 484875), (285, 452550), (315, 409450), (342, 377125), (350, 368505), (375, 343938), (399, 323250), (431, 299250), (450, 286615), (475, 271530), (525, 245670), (570, 226275), (630, 204725), (665, 193950), (750, 171969), (798, 161625), (855, 150850), (862, 149625), (875, 147402), (950, 135765), (1050, 122835), (1125, 114646), (1197, 107750), (1293, 99750), (1330, 96975), (1425, 90510), (1575, 81890), (1710, 75425), (1750, 73701), (1995, 64650), (2155, 59850), (2250, 57323), (2375, 54306), (2394, 53875), (2586, 49875), (2625, 49134), (2850, 45255), (3017, 42750), (3150, 40945), (3325, 38790), (3879, 33250), (3990, 32325), (4275, 30170), (4310, 29925), (4750, 27153), (5250, 24567), (5985, 21550), (6034, 21375), (6465, 19950), (6650, 19395), (7125, 18102), (7758, 16625), (7875, 16378), (8189, 15750), (8550, 15085), (9051, 14250), (9975, 12930), (10775, 11970)]