217916640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3691}}^1$

素因数の和:3753

約数の個数: 144

約数和(自身を含む): 761984496

約数和(自身を除く): 544067856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 328, 360, 369, 410, 480, 492, 615, 656, 720, 738, 820, 984, 1230, 1312, 1440, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 3691, 3936, 4920, 5904, 6560, 7380, 7382, 9840, 11073, 11808, 14760, 14764, 18455, 19680, 22146, 29520, 29528, 33219, 36910, 44292, 55365, 59040, 59056, 66438, 73820, 88584, 110730, 118112, 132876, 147640, 151331, 166095, 177168, 221460, 265752, 295280, 302662, 332190, 354336, 442920, 453993, 531504, 590560, 605324, 664380, 756655, 885840, 907986, 1063008, 1210648, 1328760, 1361979, 1513310, 1771680, 1815972, 2269965, 2421296, 2657520, 2723958, 3026620, 3631944, 4539930, 4842592, 5315040, 5447916, 6053240, 6809895, 7263888, 9079860, 10895832, 12106480, 13619790, 14527776, 18159720, 21791664, 24212960, 27239580, 36319440, 43583328, 54479160, 72638880, 108958320, 217916640]

約数ペア:

[(1, 217916640), (2, 108958320), (3, 72638880), (4, 54479160), (5, 43583328), (6, 36319440), (8, 27239580), (9, 24212960), (10, 21791664), (12, 18159720), (15, 14527776), (16, 13619790), (18, 12106480), (20, 10895832), (24, 9079860), (30, 7263888), (32, 6809895), (36, 6053240), (40, 5447916), (41, 5315040), (45, 4842592), (48, 4539930), (60, 3631944), (72, 3026620), (80, 2723958), (82, 2657520), (90, 2421296), (96, 2269965), (120, 1815972), (123, 1771680), (144, 1513310), (160, 1361979), (164, 1328760), (180, 1210648), (205, 1063008), (240, 907986), (246, 885840), (288, 756655), (328, 664380), (360, 605324), (369, 590560), (410, 531504), (480, 453993), (492, 442920), (615, 354336), (656, 332190), (720, 302662), (738, 295280), (820, 265752), (984, 221460), (1230, 177168), (1312, 166095), (1440, 151331), (1476, 147640), (1640, 132876), (1845, 118112), (1968, 110730), (2460, 88584), (2952, 73820), (3280, 66438), (3690, 59056), (3691, 59040), (3936, 55365), (4920, 44292), (5904, 36910), (6560, 33219), (7380, 29528), (7382, 29520), (9840, 22146), (11073, 19680), (11808, 18455), (14760, 14764)]