1611720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 5913180

約数和(自身を除く): 4301460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 37, 40, 44, 45, 55, 60, 66, 72, 74, 88, 90, 99, 110, 111, 120, 121, 132, 148, 165, 180, 185, 198, 220, 222, 242, 264, 296, 330, 333, 360, 363, 370, 396, 407, 440, 444, 484, 495, 555, 605, 660, 666, 726, 740, 792, 814, 888, 968, 990, 1089, 1110, 1210, 1221, 1320, 1332, 1452, 1480, 1628, 1665, 1815, 1980, 2035, 2178, 2220, 2420, 2442, 2664, 2904, 3256, 3330, 3630, 3663, 3960, 4070, 4356, 4440, 4477, 4840, 4884, 5445, 6105, 6660, 7260, 7326, 8140, 8712, 8954, 9768, 10890, 12210, 13320, 13431, 14520, 14652, 16280, 17908, 18315, 21780, 22385, 24420, 26862, 29304, 35816, 36630, 40293, 43560, 44770, 48840, 53724, 67155, 73260, 80586, 89540, 107448, 134310, 146520, 161172, 179080, 201465, 268620, 322344, 402930, 537240, 805860, 1611720]

約数ペア:

[(1, 1611720), (2, 805860), (3, 537240), (4, 402930), (5, 322344), (6, 268620), (8, 201465), (9, 179080), (10, 161172), (11, 146520), (12, 134310), (15, 107448), (18, 89540), (20, 80586), (22, 73260), (24, 67155), (30, 53724), (33, 48840), (36, 44770), (37, 43560), (40, 40293), (44, 36630), (45, 35816), (55, 29304), (60, 26862), (66, 24420), (72, 22385), (74, 21780), (88, 18315), (90, 17908), (99, 16280), (110, 14652), (111, 14520), (120, 13431), (121, 13320), (132, 12210), (148, 10890), (165, 9768), (180, 8954), (185, 8712), (198, 8140), (220, 7326), (222, 7260), (242, 6660), (264, 6105), (296, 5445), (330, 4884), (333, 4840), (360, 4477), (363, 4440), (370, 4356), (396, 4070), (407, 3960), (440, 3663), (444, 3630), (484, 3330), (495, 3256), (555, 2904), (605, 2664), (660, 2442), (666, 2420), (726, 2220), (740, 2178), (792, 2035), (814, 1980), (888, 1815), (968, 1665), (990, 1628), (1089, 1480), (1110, 1452), (1210, 1332), (1221, 1320)]