217326720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8707}}^1$

素因数の和:8742

約数の個数: 128

約数和(自身を含む): 746101440

約数和(自身を除く): 528774720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 8707, 12480, 17414, 24960, 26121, 34828, 43535, 52242, 69656, 87070, 104484, 113191, 130605, 139312, 174140, 208968, 226382, 261210, 278624, 339573, 348280, 417936, 452764, 522420, 557248, 565955, 679146, 696560, 835872, 905528, 1044840, 1114496, 1131910, 1358292, 1393120, 1671744, 1697865, 1811056, 2089680, 2263820, 2716584, 2786240, 3343488, 3395730, 3622112, 4179360, 4527640, 5433168, 5572480, 6791460, 7244224, 8358720, 9055280, 10866336, 13582920, 14488448, 16717440, 18110560, 21732672, 27165840, 36221120, 43465344, 54331680, 72442240, 108663360, 217326720]

約数ペア:

[(1, 217326720), (2, 108663360), (3, 72442240), (4, 54331680), (5, 43465344), (6, 36221120), (8, 27165840), (10, 21732672), (12, 18110560), (13, 16717440), (15, 14488448), (16, 13582920), (20, 10866336), (24, 9055280), (26, 8358720), (30, 7244224), (32, 6791460), (39, 5572480), (40, 5433168), (48, 4527640), (52, 4179360), (60, 3622112), (64, 3395730), (65, 3343488), (78, 2786240), (80, 2716584), (96, 2263820), (104, 2089680), (120, 1811056), (128, 1697865), (130, 1671744), (156, 1393120), (160, 1358292), (192, 1131910), (195, 1114496), (208, 1044840), (240, 905528), (260, 835872), (312, 696560), (320, 679146), (384, 565955), (390, 557248), (416, 522420), (480, 452764), (520, 417936), (624, 348280), (640, 339573), (780, 278624), (832, 261210), (960, 226382), (1040, 208968), (1248, 174140), (1560, 139312), (1664, 130605), (1920, 113191), (2080, 104484), (2496, 87070), (3120, 69656), (4160, 52242), (4992, 43535), (6240, 34828), (8320, 26121), (8707, 24960), (12480, 17414)]