89979720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 279936000

約数和(自身を除く): 189956280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 71, 118, 120, 142, 177, 179, 213, 236, 284, 295, 354, 355, 358, 426, 472, 537, 568, 590, 708, 710, 716, 852, 885, 895, 1065, 1074, 1180, 1416, 1420, 1432, 1704, 1770, 1790, 2130, 2148, 2360, 2685, 2840, 3540, 3580, 4189, 4260, 4296, 5370, 7080, 7160, 8378, 8520, 10561, 10740, 12567, 12709, 16756, 20945, 21122, 21480, 25134, 25418, 31683, 33512, 38127, 41890, 42244, 50268, 50836, 52805, 62835, 63366, 63545, 76254, 83780, 84488, 100536, 101672, 105610, 125670, 126732, 127090, 152508, 158415, 167560, 190635, 211220, 251340, 253464, 254180, 305016, 316830, 381270, 422440, 502680, 508360, 633660, 749831, 762540, 1267320, 1499662, 1525080, 2249493, 2999324, 3749155, 4498986, 5998648, 7498310, 8997972, 11247465, 14996620, 17995944, 22494930, 29993240, 44989860, 89979720]

約数ペア:

[(1, 89979720), (2, 44989860), (3, 29993240), (4, 22494930), (5, 17995944), (6, 14996620), (8, 11247465), (10, 8997972), (12, 7498310), (15, 5998648), (20, 4498986), (24, 3749155), (30, 2999324), (40, 2249493), (59, 1525080), (60, 1499662), (71, 1267320), (118, 762540), (120, 749831), (142, 633660), (177, 508360), (179, 502680), (213, 422440), (236, 381270), (284, 316830), (295, 305016), (354, 254180), (355, 253464), (358, 251340), (426, 211220), (472, 190635), (537, 167560), (568, 158415), (590, 152508), (708, 127090), (710, 126732), (716, 125670), (852, 105610), (885, 101672), (895, 100536), (1065, 84488), (1074, 83780), (1180, 76254), (1416, 63545), (1420, 63366), (1432, 62835), (1704, 52805), (1770, 50836), (1790, 50268), (2130, 42244), (2148, 41890), (2360, 38127), (2685, 33512), (2840, 31683), (3540, 25418), (3580, 25134), (4189, 21480), (4260, 21122), (4296, 20945), (5370, 16756), (7080, 12709), (7160, 12567), (8378, 10740), (8520, 10561)]