876981720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18691}}^1$

素因数の和:18745

約数の個数: 128

約数和(自身を含む): 2906979840

約数和(自身を除く): 2029998120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1955, 2040, 2346, 2760, 3128, 3910, 4692, 5865, 7820, 9384, 11730, 15640, 18691, 23460, 37382, 46920, 56073, 74764, 93455, 112146, 149528, 186910, 224292, 280365, 317747, 373820, 429893, 448584, 560730, 635494, 747640, 859786, 953241, 1121460, 1270988, 1289679, 1588735, 1719572, 1906482, 2149465, 2242920, 2541976, 2579358, 3177470, 3439144, 3812964, 4298930, 4766205, 5158716, 6354940, 6448395, 7308181, 7625928, 8597860, 9532410, 10317432, 12709880, 12896790, 14616362, 17195720, 19064820, 21924543, 25793580, 29232724, 36540905, 38129640, 43849086, 51587160, 58465448, 73081810, 87698172, 109622715, 146163620, 175396344, 219245430, 292327240, 438490860, 876981720]

約数ペア:

[(1, 876981720), (2, 438490860), (3, 292327240), (4, 219245430), (5, 175396344), (6, 146163620), (8, 109622715), (10, 87698172), (12, 73081810), (15, 58465448), (17, 51587160), (20, 43849086), (23, 38129640), (24, 36540905), (30, 29232724), (34, 25793580), (40, 21924543), (46, 19064820), (51, 17195720), (60, 14616362), (68, 12896790), (69, 12709880), (85, 10317432), (92, 9532410), (102, 8597860), (115, 7625928), (120, 7308181), (136, 6448395), (138, 6354940), (170, 5158716), (184, 4766205), (204, 4298930), (230, 3812964), (255, 3439144), (276, 3177470), (340, 2579358), (345, 2541976), (391, 2242920), (408, 2149465), (460, 1906482), (510, 1719572), (552, 1588735), (680, 1289679), (690, 1270988), (782, 1121460), (920, 953241), (1020, 859786), (1173, 747640), (1380, 635494), (1564, 560730), (1955, 448584), (2040, 429893), (2346, 373820), (2760, 317747), (3128, 280365), (3910, 224292), (4692, 186910), (5865, 149528), (7820, 112146), (9384, 93455), (11730, 74764), (15640, 56073), (18691, 46920), (23460, 37382)]