68455240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 185068800

約数和(自身を除く): 116613560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 67, 70, 82, 89, 134, 140, 164, 178, 205, 268, 280, 287, 328, 335, 356, 410, 445, 469, 536, 574, 623, 670, 712, 820, 890, 938, 1148, 1246, 1340, 1435, 1640, 1780, 1876, 2296, 2345, 2492, 2680, 2747, 2870, 3115, 3560, 3649, 3752, 4690, 4984, 5494, 5740, 5963, 6230, 7298, 9380, 10988, 11480, 11926, 12460, 13735, 14596, 18245, 18760, 19229, 21976, 23852, 24920, 25543, 27470, 29192, 29815, 36490, 38458, 41741, 47704, 51086, 54940, 59630, 72980, 76916, 83482, 96145, 102172, 109880, 119260, 127715, 145960, 153832, 166964, 192290, 204344, 208705, 238520, 244483, 255430, 333928, 384580, 417410, 488966, 510860, 769160, 834820, 977932, 1021720, 1222415, 1669640, 1711381, 1955864, 2444830, 3422762, 4889660, 6845524, 8556905, 9779320, 13691048, 17113810, 34227620, 68455240]

約数ペア:

[(1, 68455240), (2, 34227620), (4, 17113810), (5, 13691048), (7, 9779320), (8, 8556905), (10, 6845524), (14, 4889660), (20, 3422762), (28, 2444830), (35, 1955864), (40, 1711381), (41, 1669640), (56, 1222415), (67, 1021720), (70, 977932), (82, 834820), (89, 769160), (134, 510860), (140, 488966), (164, 417410), (178, 384580), (205, 333928), (268, 255430), (280, 244483), (287, 238520), (328, 208705), (335, 204344), (356, 192290), (410, 166964), (445, 153832), (469, 145960), (536, 127715), (574, 119260), (623, 109880), (670, 102172), (712, 96145), (820, 83482), (890, 76916), (938, 72980), (1148, 59630), (1246, 54940), (1340, 51086), (1435, 47704), (1640, 41741), (1780, 38458), (1876, 36490), (2296, 29815), (2345, 29192), (2492, 27470), (2680, 25543), (2747, 24920), (2870, 23852), (3115, 21976), (3560, 19229), (3649, 18760), (3752, 18245), (4690, 14596), (4984, 13735), (5494, 12460), (5740, 11926), (5963, 11480), (6230, 10988), (7298, 9380)]