31465920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 112

約数和(自身を含む): 101498400

約数和(自身を除く): 70032480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 146, 160, 192, 219, 240, 292, 320, 365, 438, 449, 480, 584, 730, 876, 898, 960, 1095, 1168, 1347, 1460, 1752, 1796, 2190, 2245, 2336, 2694, 2920, 3504, 3592, 4380, 4490, 4672, 5388, 5840, 6735, 7008, 7184, 8760, 8980, 10776, 11680, 13470, 14016, 14368, 17520, 17960, 21552, 23360, 26940, 28736, 32777, 35040, 35920, 43104, 53880, 65554, 70080, 71840, 86208, 98331, 107760, 131108, 143680, 163885, 196662, 215520, 262216, 327770, 393324, 431040, 491655, 524432, 655540, 786648, 983310, 1048864, 1311080, 1573296, 1966620, 2097728, 2622160, 3146592, 3933240, 5244320, 6293184, 7866480, 10488640, 15732960, 31465920]

約数ペア:

[(1, 31465920), (2, 15732960), (3, 10488640), (4, 7866480), (5, 6293184), (6, 5244320), (8, 3933240), (10, 3146592), (12, 2622160), (15, 2097728), (16, 1966620), (20, 1573296), (24, 1311080), (30, 1048864), (32, 983310), (40, 786648), (48, 655540), (60, 524432), (64, 491655), (73, 431040), (80, 393324), (96, 327770), (120, 262216), (146, 215520), (160, 196662), (192, 163885), (219, 143680), (240, 131108), (292, 107760), (320, 98331), (365, 86208), (438, 71840), (449, 70080), (480, 65554), (584, 53880), (730, 43104), (876, 35920), (898, 35040), (960, 32777), (1095, 28736), (1168, 26940), (1347, 23360), (1460, 21552), (1752, 17960), (1796, 17520), (2190, 14368), (2245, 14016), (2336, 13470), (2694, 11680), (2920, 10776), (3504, 8980), (3592, 8760), (4380, 7184), (4490, 7008), (4672, 6735), (5388, 5840)]