81804060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 192

約数和(自身を含む): 281487360

約数和(自身を除く): 199683300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 43, 45, 52, 54, 60, 65, 78, 86, 90, 108, 117, 129, 130, 135, 156, 172, 180, 195, 215, 234, 258, 260, 270, 271, 351, 387, 390, 430, 468, 516, 540, 542, 559, 585, 645, 702, 774, 780, 813, 860, 1084, 1118, 1161, 1170, 1290, 1355, 1404, 1548, 1626, 1677, 1755, 1935, 2236, 2322, 2340, 2439, 2580, 2710, 2795, 3252, 3354, 3510, 3523, 3870, 4065, 4644, 4878, 5031, 5420, 5590, 5805, 6708, 7020, 7046, 7317, 7740, 8130, 8385, 9756, 10062, 10569, 11180, 11610, 11653, 12195, 14092, 14634, 15093, 16260, 16770, 17615, 20124, 21138, 23220, 23306, 24390, 25155, 29268, 30186, 31707, 33540, 34959, 35230, 36585, 42276, 46612, 48780, 50310, 52845, 58265, 60372, 63414, 69918, 70460, 73170, 75465, 95121, 100620, 104877, 105690, 116530, 126828, 139836, 146340, 150930, 151489, 158535, 174795, 190242, 209754, 211380, 233060, 301860, 302978, 314631, 317070, 349590, 380484, 419508, 454467, 475605, 524385, 605956, 629262, 634140, 699180, 757445, 908934, 951210, 1048770, 1258524, 1363401, 1514890, 1573155, 1817868, 1902420, 2097540, 2272335, 2726802, 3029780, 3146310, 4090203, 4544670, 5453604, 6292620, 6817005, 8180406, 9089340, 13634010, 16360812, 20451015, 27268020, 40902030, 81804060]

約数ペア:

[(1, 81804060), (2, 40902030), (3, 27268020), (4, 20451015), (5, 16360812), (6, 13634010), (9, 9089340), (10, 8180406), (12, 6817005), (13, 6292620), (15, 5453604), (18, 4544670), (20, 4090203), (26, 3146310), (27, 3029780), (30, 2726802), (36, 2272335), (39, 2097540), (43, 1902420), (45, 1817868), (52, 1573155), (54, 1514890), (60, 1363401), (65, 1258524), (78, 1048770), (86, 951210), (90, 908934), (108, 757445), (117, 699180), (129, 634140), (130, 629262), (135, 605956), (156, 524385), (172, 475605), (180, 454467), (195, 419508), (215, 380484), (234, 349590), (258, 317070), (260, 314631), (270, 302978), (271, 301860), (351, 233060), (387, 211380), (390, 209754), (430, 190242), (468, 174795), (516, 158535), (540, 151489), (542, 150930), (559, 146340), (585, 139836), (645, 126828), (702, 116530), (774, 105690), (780, 104877), (813, 100620), (860, 95121), (1084, 75465), (1118, 73170), (1161, 70460), (1170, 69918), (1290, 63414), (1355, 60372), (1404, 58265), (1548, 52845), (1626, 50310), (1677, 48780), (1755, 46612), (1935, 42276), (2236, 36585), (2322, 35230), (2340, 34959), (2439, 33540), (2580, 31707), (2710, 30186), (2795, 29268), (3252, 25155), (3354, 24390), (3510, 23306), (3523, 23220), (3870, 21138), (4065, 20124), (4644, 17615), (4878, 16770), (5031, 16260), (5420, 15093), (5590, 14634), (5805, 14092), (6708, 12195), (7020, 11653), (7046, 11610), (7317, 11180), (7740, 10569), (8130, 10062), (8385, 9756)]