87157120

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 225607680

約数和(自身を除く): 138450560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 191, 230, 248, 310, 320, 368, 382, 460, 496, 620, 640, 713, 736, 764, 920, 955, 992, 1240, 1426, 1472, 1528, 1840, 1910, 1984, 2480, 2852, 2944, 3056, 3565, 3680, 3820, 3968, 4393, 4960, 5704, 5921, 6112, 7130, 7360, 7640, 8786, 9920, 11408, 11842, 12224, 14260, 14720, 15280, 17572, 19840, 21965, 22816, 23684, 24448, 28520, 29605, 30560, 35144, 43930, 45632, 47368, 57040, 59210, 61120, 70288, 87860, 91264, 94736, 114080, 118420, 122240, 136183, 140576, 175720, 189472, 228160, 236840, 272366, 281152, 351440, 378944, 456320, 473680, 544732, 562304, 680915, 702880, 757888, 947360, 1089464, 1361830, 1405760, 1894720, 2178928, 2723660, 2811520, 3789440, 4357856, 5447320, 8715712, 10894640, 17431424, 21789280, 43578560, 87157120]

約数ペア:

[(1, 87157120), (2, 43578560), (4, 21789280), (5, 17431424), (8, 10894640), (10, 8715712), (16, 5447320), (20, 4357856), (23, 3789440), (31, 2811520), (32, 2723660), (40, 2178928), (46, 1894720), (62, 1405760), (64, 1361830), (80, 1089464), (92, 947360), (115, 757888), (124, 702880), (128, 680915), (155, 562304), (160, 544732), (184, 473680), (191, 456320), (230, 378944), (248, 351440), (310, 281152), (320, 272366), (368, 236840), (382, 228160), (460, 189472), (496, 175720), (620, 140576), (640, 136183), (713, 122240), (736, 118420), (764, 114080), (920, 94736), (955, 91264), (992, 87860), (1240, 70288), (1426, 61120), (1472, 59210), (1528, 57040), (1840, 47368), (1910, 45632), (1984, 43930), (2480, 35144), (2852, 30560), (2944, 29605), (3056, 28520), (3565, 24448), (3680, 23684), (3820, 22816), (3968, 21965), (4393, 19840), (4960, 17572), (5704, 15280), (5921, 14720), (6112, 14260), (7130, 12224), (7360, 11842), (7640, 11408), (8786, 9920)]