81083280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:473

約数の個数: 160

約数和(自身を含む): 270054144

約数和(自身を除く): 188970864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 37, 40, 46, 48, 60, 69, 74, 80, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 240, 276, 296, 345, 368, 370, 397, 444, 460, 552, 555, 592, 690, 740, 794, 851, 888, 920, 1104, 1110, 1191, 1380, 1480, 1588, 1702, 1776, 1840, 1985, 2220, 2382, 2553, 2760, 2960, 3176, 3404, 3970, 4255, 4440, 4764, 5106, 5520, 5955, 6352, 6808, 7940, 8510, 8880, 9131, 9528, 10212, 11910, 12765, 13616, 14689, 15880, 17020, 18262, 19056, 20424, 23820, 25530, 27393, 29378, 31760, 34040, 36524, 40848, 44067, 45655, 47640, 51060, 54786, 58756, 68080, 73048, 73445, 88134, 91310, 95280, 102120, 109572, 117512, 136965, 146096, 146890, 176268, 182620, 204240, 219144, 220335, 235024, 273930, 293780, 337847, 352536, 365240, 438288, 440670, 547860, 587560, 675694, 705072, 730480, 881340, 1013541, 1095720, 1175120, 1351388, 1689235, 1762680, 2027082, 2191440, 2702776, 3378470, 3525360, 4054164, 5067705, 5405552, 6756940, 8108328, 10135410, 13513880, 16216656, 20270820, 27027760, 40541640, 81083280]

約数ペア:

[(1, 81083280), (2, 40541640), (3, 27027760), (4, 20270820), (5, 16216656), (6, 13513880), (8, 10135410), (10, 8108328), (12, 6756940), (15, 5405552), (16, 5067705), (20, 4054164), (23, 3525360), (24, 3378470), (30, 2702776), (37, 2191440), (40, 2027082), (46, 1762680), (48, 1689235), (60, 1351388), (69, 1175120), (74, 1095720), (80, 1013541), (92, 881340), (111, 730480), (115, 705072), (120, 675694), (138, 587560), (148, 547860), (184, 440670), (185, 438288), (222, 365240), (230, 352536), (240, 337847), (276, 293780), (296, 273930), (345, 235024), (368, 220335), (370, 219144), (397, 204240), (444, 182620), (460, 176268), (552, 146890), (555, 146096), (592, 136965), (690, 117512), (740, 109572), (794, 102120), (851, 95280), (888, 91310), (920, 88134), (1104, 73445), (1110, 73048), (1191, 68080), (1380, 58756), (1480, 54786), (1588, 51060), (1702, 47640), (1776, 45655), (1840, 44067), (1985, 40848), (2220, 36524), (2382, 34040), (2553, 31760), (2760, 29378), (2960, 27393), (3176, 25530), (3404, 23820), (3970, 20424), (4255, 19056), (4440, 18262), (4764, 17020), (5106, 15880), (5520, 14689), (5955, 13616), (6352, 12765), (6808, 11910), (7940, 10212), (8510, 9528), (8880, 9131)]