443880320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1784

約数の個数: 128

約数和(自身を含む): 1180327680

約数和(自身を除く): 736447360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1612, 1664, 1721, 1984, 2015, 2080, 2480, 3224, 3442, 3968, 4030, 4160, 4960, 6448, 6884, 8060, 8320, 8605, 9920, 12896, 13768, 16120, 17210, 19840, 22373, 25792, 27536, 32240, 34420, 44746, 51584, 53351, 55072, 64480, 68840, 89492, 106702, 110144, 111865, 128960, 137680, 178984, 213404, 220288, 223730, 257920, 266755, 275360, 357968, 426808, 447460, 533510, 550720, 693563, 715936, 853616, 894920, 1067020, 1101440, 1387126, 1431872, 1707232, 1789840, 2134040, 2774252, 2863744, 3414464, 3467815, 3579680, 4268080, 5548504, 6828928, 6935630, 7159360, 8536160, 11097008, 13871260, 14318720, 17072320, 22194016, 27742520, 34144640, 44388032, 55485040, 88776064, 110970080, 221940160, 443880320]

約数ペア:

[(1, 443880320), (2, 221940160), (4, 110970080), (5, 88776064), (8, 55485040), (10, 44388032), (13, 34144640), (16, 27742520), (20, 22194016), (26, 17072320), (31, 14318720), (32, 13871260), (40, 11097008), (52, 8536160), (62, 7159360), (64, 6935630), (65, 6828928), (80, 5548504), (104, 4268080), (124, 3579680), (128, 3467815), (130, 3414464), (155, 2863744), (160, 2774252), (208, 2134040), (248, 1789840), (260, 1707232), (310, 1431872), (320, 1387126), (403, 1101440), (416, 1067020), (496, 894920), (520, 853616), (620, 715936), (640, 693563), (806, 550720), (832, 533510), (992, 447460), (1040, 426808), (1240, 357968), (1612, 275360), (1664, 266755), (1721, 257920), (1984, 223730), (2015, 220288), (2080, 213404), (2480, 178984), (3224, 137680), (3442, 128960), (3968, 111865), (4030, 110144), (4160, 106702), (4960, 89492), (6448, 68840), (6884, 64480), (8060, 55072), (8320, 53351), (8605, 51584), (9920, 44746), (12896, 34420), (13768, 32240), (16120, 27536), (17210, 25792), (19840, 22373)]