81765450

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1590

約数の個数: 120

約数和(自身を含む): 244820268

約数和(自身を除く): 163054818

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 130, 135, 150, 162, 195, 225, 234, 270, 325, 351, 390, 405, 450, 585, 650, 675, 702, 810, 975, 1053, 1170, 1350, 1553, 1755, 1950, 2025, 2106, 2925, 3106, 3510, 4050, 4659, 5265, 5850, 7765, 8775, 9318, 10530, 13977, 15530, 17550, 20189, 23295, 26325, 27954, 38825, 40378, 41931, 46590, 52650, 60567, 69885, 77650, 83862, 100945, 116475, 121134, 125793, 139770, 181701, 201890, 209655, 232950, 251586, 302835, 349425, 363402, 419310, 504725, 545103, 605670, 628965, 698850, 908505, 1009450, 1048275, 1090206, 1257930, 1514175, 1635309, 1817010, 2096550, 2725515, 3028350, 3144825, 3270618, 4542525, 5451030, 6289650, 8176545, 9085050, 13627575, 16353090, 27255150, 40882725, 81765450]

約数ペア:

[(1, 81765450), (2, 40882725), (3, 27255150), (5, 16353090), (6, 13627575), (9, 9085050), (10, 8176545), (13, 6289650), (15, 5451030), (18, 4542525), (25, 3270618), (26, 3144825), (27, 3028350), (30, 2725515), (39, 2096550), (45, 1817010), (50, 1635309), (54, 1514175), (65, 1257930), (75, 1090206), (78, 1048275), (81, 1009450), (90, 908505), (117, 698850), (130, 628965), (135, 605670), (150, 545103), (162, 504725), (195, 419310), (225, 363402), (234, 349425), (270, 302835), (325, 251586), (351, 232950), (390, 209655), (405, 201890), (450, 181701), (585, 139770), (650, 125793), (675, 121134), (702, 116475), (810, 100945), (975, 83862), (1053, 77650), (1170, 69885), (1350, 60567), (1553, 52650), (1755, 46590), (1950, 41931), (2025, 40378), (2106, 38825), (2925, 27954), (3106, 26325), (3510, 23295), (4050, 20189), (4659, 17550), (5265, 15530), (5850, 13977), (7765, 10530), (8775, 9318)]