8965320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 33143040

約数和(自身を除く): 24177720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 821, 840, 910, 1092, 1365, 1560, 1642, 1820, 2184, 2463, 2730, 3284, 3640, 4105, 4926, 5460, 5747, 6568, 8210, 9852, 10673, 10920, 11494, 12315, 16420, 17241, 19704, 21346, 22988, 24630, 28735, 32019, 32840, 34482, 42692, 45976, 49260, 53365, 57470, 64038, 68964, 74711, 85384, 86205, 98520, 106730, 114940, 128076, 137928, 149422, 160095, 172410, 213460, 224133, 229880, 256152, 298844, 320190, 344820, 373555, 426920, 448266, 597688, 640380, 689640, 747110, 896532, 1120665, 1280760, 1494220, 1793064, 2241330, 2988440, 4482660, 8965320]

約数ペア:

[(1, 8965320), (2, 4482660), (3, 2988440), (4, 2241330), (5, 1793064), (6, 1494220), (7, 1280760), (8, 1120665), (10, 896532), (12, 747110), (13, 689640), (14, 640380), (15, 597688), (20, 448266), (21, 426920), (24, 373555), (26, 344820), (28, 320190), (30, 298844), (35, 256152), (39, 229880), (40, 224133), (42, 213460), (52, 172410), (56, 160095), (60, 149422), (65, 137928), (70, 128076), (78, 114940), (84, 106730), (91, 98520), (104, 86205), (105, 85384), (120, 74711), (130, 68964), (140, 64038), (156, 57470), (168, 53365), (182, 49260), (195, 45976), (210, 42692), (260, 34482), (273, 32840), (280, 32019), (312, 28735), (364, 24630), (390, 22988), (420, 21346), (455, 19704), (520, 17241), (546, 16420), (728, 12315), (780, 11494), (821, 10920), (840, 10673), (910, 9852), (1092, 8210), (1365, 6568), (1560, 5747), (1642, 5460), (1820, 4926), (2184, 4105), (2463, 3640), (2730, 3284)]