81323040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 192

約数和(自身を含む): 278087040

約数和(自身を除く): 196764000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 96, 111, 114, 120, 148, 152, 160, 185, 190, 222, 228, 240, 241, 285, 296, 304, 370, 380, 444, 456, 480, 482, 555, 570, 592, 608, 703, 723, 740, 760, 888, 912, 964, 1110, 1140, 1184, 1205, 1406, 1446, 1480, 1520, 1776, 1824, 1928, 2109, 2220, 2280, 2410, 2812, 2892, 2960, 3040, 3515, 3552, 3615, 3856, 4218, 4440, 4560, 4579, 4820, 5624, 5784, 5920, 7030, 7230, 7712, 8436, 8880, 8917, 9120, 9158, 9640, 10545, 11248, 11568, 13737, 14060, 14460, 16872, 17760, 17834, 18316, 19280, 21090, 22496, 22895, 23136, 26751, 27474, 28120, 28920, 33744, 35668, 36632, 38560, 42180, 44585, 45790, 53502, 54948, 56240, 57840, 67488, 68685, 71336, 73264, 84360, 89170, 91580, 107004, 109896, 112480, 115680, 133755, 137370, 142672, 146528, 168720, 169423, 178340, 183160, 214008, 219792, 267510, 274740, 285344, 337440, 338846, 356680, 366320, 428016, 439584, 508269, 535020, 549480, 677692, 713360, 732640, 847115, 856032, 1016538, 1070040, 1098960, 1355384, 1426720, 1694230, 2033076, 2140080, 2197920, 2541345, 2710768, 3388460, 4066152, 4280160, 5082690, 5421536, 6776920, 8132304, 10165380, 13553840, 16264608, 20330760, 27107680, 40661520, 81323040]

約数ペア:

[(1, 81323040), (2, 40661520), (3, 27107680), (4, 20330760), (5, 16264608), (6, 13553840), (8, 10165380), (10, 8132304), (12, 6776920), (15, 5421536), (16, 5082690), (19, 4280160), (20, 4066152), (24, 3388460), (30, 2710768), (32, 2541345), (37, 2197920), (38, 2140080), (40, 2033076), (48, 1694230), (57, 1426720), (60, 1355384), (74, 1098960), (76, 1070040), (80, 1016538), (95, 856032), (96, 847115), (111, 732640), (114, 713360), (120, 677692), (148, 549480), (152, 535020), (160, 508269), (185, 439584), (190, 428016), (222, 366320), (228, 356680), (240, 338846), (241, 337440), (285, 285344), (296, 274740), (304, 267510), (370, 219792), (380, 214008), (444, 183160), (456, 178340), (480, 169423), (482, 168720), (555, 146528), (570, 142672), (592, 137370), (608, 133755), (703, 115680), (723, 112480), (740, 109896), (760, 107004), (888, 91580), (912, 89170), (964, 84360), (1110, 73264), (1140, 71336), (1184, 68685), (1205, 67488), (1406, 57840), (1446, 56240), (1480, 54948), (1520, 53502), (1776, 45790), (1824, 44585), (1928, 42180), (2109, 38560), (2220, 36632), (2280, 35668), (2410, 33744), (2812, 28920), (2892, 28120), (2960, 27474), (3040, 26751), (3515, 23136), (3552, 22895), (3615, 22496), (3856, 21090), (4218, 19280), (4440, 18316), (4560, 17834), (4579, 17760), (4820, 16872), (5624, 14460), (5784, 14060), (5920, 13737), (7030, 11568), (7230, 11248), (7712, 10545), (8436, 9640), (8880, 9158), (8917, 9120)]