18510960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:395

約数の個数: 160

約数和(自身を含む): 65620800

約数和(自身を除く): 47109840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 349, 390, 408, 442, 510, 520, 624, 663, 680, 698, 780, 816, 884, 1020, 1040, 1047, 1105, 1326, 1360, 1396, 1560, 1745, 1768, 2040, 2094, 2210, 2652, 2792, 3120, 3315, 3490, 3536, 4080, 4188, 4420, 4537, 5235, 5304, 5584, 5933, 6630, 6980, 8376, 8840, 9074, 10470, 10608, 11866, 13260, 13611, 13960, 16752, 17680, 17799, 18148, 20940, 22685, 23732, 26520, 27222, 27920, 29665, 35598, 36296, 41880, 45370, 47464, 53040, 54444, 59330, 68055, 71196, 72592, 77129, 83760, 88995, 90740, 94928, 108888, 118660, 136110, 142392, 154258, 177990, 181480, 217776, 231387, 237320, 272220, 284784, 308516, 355980, 362960, 385645, 462774, 474640, 544440, 617032, 711960, 771290, 925548, 1088880, 1156935, 1234064, 1423920, 1542580, 1851096, 2313870, 3085160, 3702192, 4627740, 6170320, 9255480, 18510960]

約数ペア:

[(1, 18510960), (2, 9255480), (3, 6170320), (4, 4627740), (5, 3702192), (6, 3085160), (8, 2313870), (10, 1851096), (12, 1542580), (13, 1423920), (15, 1234064), (16, 1156935), (17, 1088880), (20, 925548), (24, 771290), (26, 711960), (30, 617032), (34, 544440), (39, 474640), (40, 462774), (48, 385645), (51, 362960), (52, 355980), (60, 308516), (65, 284784), (68, 272220), (78, 237320), (80, 231387), (85, 217776), (102, 181480), (104, 177990), (120, 154258), (130, 142392), (136, 136110), (156, 118660), (170, 108888), (195, 94928), (204, 90740), (208, 88995), (221, 83760), (240, 77129), (255, 72592), (260, 71196), (272, 68055), (312, 59330), (340, 54444), (349, 53040), (390, 47464), (408, 45370), (442, 41880), (510, 36296), (520, 35598), (624, 29665), (663, 27920), (680, 27222), (698, 26520), (780, 23732), (816, 22685), (884, 20940), (1020, 18148), (1040, 17799), (1047, 17680), (1105, 16752), (1326, 13960), (1360, 13611), (1396, 13260), (1560, 11866), (1745, 10608), (1768, 10470), (2040, 9074), (2094, 8840), (2210, 8376), (2652, 6980), (2792, 6630), (3120, 5933), (3315, 5584), (3490, 5304), (3536, 5235), (4080, 4537), (4188, 4420)]