38779440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:627

約数の個数: 160

約数和(自身を含む): 140990976

約数和(自身を除く): 102211536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 328, 336, 410, 420, 492, 560, 563, 574, 615, 656, 820, 840, 861, 984, 1126, 1148, 1230, 1435, 1640, 1680, 1689, 1722, 1968, 2252, 2296, 2460, 2815, 2870, 3280, 3378, 3444, 3941, 4305, 4504, 4592, 4920, 5630, 5740, 6756, 6888, 7882, 8445, 8610, 9008, 9840, 11260, 11480, 11823, 13512, 13776, 15764, 16890, 17220, 19705, 22520, 22960, 23083, 23646, 27024, 31528, 33780, 34440, 39410, 45040, 46166, 47292, 59115, 63056, 67560, 68880, 69249, 78820, 92332, 94584, 115415, 118230, 135120, 138498, 157640, 161581, 184664, 189168, 230830, 236460, 276996, 315280, 323162, 346245, 369328, 461660, 472920, 484743, 553992, 646324, 692490, 807905, 923320, 945840, 969486, 1107984, 1292648, 1384980, 1615810, 1846640, 1938972, 2423715, 2585296, 2769960, 3231620, 3877944, 4847430, 5539920, 6463240, 7755888, 9694860, 12926480, 19389720, 38779440]

約数ペア:

[(1, 38779440), (2, 19389720), (3, 12926480), (4, 9694860), (5, 7755888), (6, 6463240), (7, 5539920), (8, 4847430), (10, 3877944), (12, 3231620), (14, 2769960), (15, 2585296), (16, 2423715), (20, 1938972), (21, 1846640), (24, 1615810), (28, 1384980), (30, 1292648), (35, 1107984), (40, 969486), (41, 945840), (42, 923320), (48, 807905), (56, 692490), (60, 646324), (70, 553992), (80, 484743), (82, 472920), (84, 461660), (105, 369328), (112, 346245), (120, 323162), (123, 315280), (140, 276996), (164, 236460), (168, 230830), (205, 189168), (210, 184664), (240, 161581), (246, 157640), (280, 138498), (287, 135120), (328, 118230), (336, 115415), (410, 94584), (420, 92332), (492, 78820), (560, 69249), (563, 68880), (574, 67560), (615, 63056), (656, 59115), (820, 47292), (840, 46166), (861, 45040), (984, 39410), (1126, 34440), (1148, 33780), (1230, 31528), (1435, 27024), (1640, 23646), (1680, 23083), (1689, 22960), (1722, 22520), (1968, 19705), (2252, 17220), (2296, 16890), (2460, 15764), (2815, 13776), (2870, 13512), (3280, 11823), (3378, 11480), (3444, 11260), (3941, 9840), (4305, 9008), (4504, 8610), (4592, 8445), (4920, 7882), (5630, 6888), (5740, 6756)]