21760320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1232

約数の個数: 112

約数和(自身を含む): 72786240

約数和(自身を除く): 51025920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1193, 1216, 1520, 1824, 2280, 2386, 3040, 3579, 3648, 4560, 4772, 5965, 6080, 7158, 9120, 9544, 11930, 14316, 17895, 18240, 19088, 22667, 23860, 28632, 35790, 38176, 45334, 47720, 57264, 68001, 71580, 76352, 90668, 95440, 113335, 114528, 136002, 143160, 181336, 190880, 226670, 229056, 272004, 286320, 340005, 362672, 381760, 453340, 544008, 572640, 680010, 725344, 906680, 1088016, 1145280, 1360020, 1450688, 1813360, 2176032, 2720040, 3626720, 4352064, 5440080, 7253440, 10880160, 21760320]

約数ペア:

[(1, 21760320), (2, 10880160), (3, 7253440), (4, 5440080), (5, 4352064), (6, 3626720), (8, 2720040), (10, 2176032), (12, 1813360), (15, 1450688), (16, 1360020), (19, 1145280), (20, 1088016), (24, 906680), (30, 725344), (32, 680010), (38, 572640), (40, 544008), (48, 453340), (57, 381760), (60, 362672), (64, 340005), (76, 286320), (80, 272004), (95, 229056), (96, 226670), (114, 190880), (120, 181336), (152, 143160), (160, 136002), (190, 114528), (192, 113335), (228, 95440), (240, 90668), (285, 76352), (304, 71580), (320, 68001), (380, 57264), (456, 47720), (480, 45334), (570, 38176), (608, 35790), (760, 28632), (912, 23860), (960, 22667), (1140, 19088), (1193, 18240), (1216, 17895), (1520, 14316), (1824, 11930), (2280, 9544), (2386, 9120), (3040, 7158), (3579, 6080), (3648, 5965), (4560, 4772)]