12205980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 40360320

約数和(自身を除く): 28154340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 83, 86, 90, 95, 114, 129, 166, 171, 172, 180, 190, 215, 228, 249, 258, 285, 332, 342, 380, 387, 415, 430, 498, 516, 570, 645, 684, 747, 774, 817, 830, 855, 860, 996, 1140, 1245, 1290, 1494, 1548, 1577, 1634, 1660, 1710, 1935, 2451, 2490, 2580, 2988, 3154, 3268, 3420, 3569, 3735, 3870, 4085, 4731, 4902, 4980, 6308, 7138, 7353, 7470, 7740, 7885, 8170, 9462, 9804, 10707, 12255, 14193, 14276, 14706, 14940, 15770, 16340, 17845, 18924, 21414, 23655, 24510, 28386, 29412, 31540, 32121, 35690, 36765, 42828, 47310, 49020, 53535, 56772, 64242, 67811, 70965, 71380, 73530, 94620, 107070, 128484, 135622, 141930, 147060, 160605, 203433, 214140, 271244, 283860, 321210, 339055, 406866, 610299, 642420, 678110, 813732, 1017165, 1220598, 1356220, 2034330, 2441196, 3051495, 4068660, 6102990, 12205980]

約数ペア:

[(1, 12205980), (2, 6102990), (3, 4068660), (4, 3051495), (5, 2441196), (6, 2034330), (9, 1356220), (10, 1220598), (12, 1017165), (15, 813732), (18, 678110), (19, 642420), (20, 610299), (30, 406866), (36, 339055), (38, 321210), (43, 283860), (45, 271244), (57, 214140), (60, 203433), (76, 160605), (83, 147060), (86, 141930), (90, 135622), (95, 128484), (114, 107070), (129, 94620), (166, 73530), (171, 71380), (172, 70965), (180, 67811), (190, 64242), (215, 56772), (228, 53535), (249, 49020), (258, 47310), (285, 42828), (332, 36765), (342, 35690), (380, 32121), (387, 31540), (415, 29412), (430, 28386), (498, 24510), (516, 23655), (570, 21414), (645, 18924), (684, 17845), (747, 16340), (774, 15770), (817, 14940), (830, 14706), (855, 14276), (860, 14193), (996, 12255), (1140, 10707), (1245, 9804), (1290, 9462), (1494, 8170), (1548, 7885), (1577, 7740), (1634, 7470), (1660, 7353), (1710, 7138), (1935, 6308), (2451, 4980), (2490, 4902), (2580, 4731), (2988, 4085), (3154, 3870), (3268, 3735), (3420, 3569)]