320187780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 216

約数和(自身を含む): 1089560472

約数和(自身を除く): 769372692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 121, 122, 132, 165, 180, 183, 198, 220, 241, 242, 244, 305, 330, 363, 366, 396, 482, 484, 495, 549, 605, 610, 660, 671, 723, 726, 732, 915, 964, 990, 1089, 1098, 1205, 1210, 1220, 1342, 1446, 1452, 1815, 1830, 1980, 2013, 2169, 2178, 2196, 2410, 2420, 2651, 2684, 2745, 2892, 3355, 3615, 3630, 3660, 4026, 4338, 4356, 4820, 5302, 5445, 5490, 6039, 6710, 7230, 7260, 7381, 7953, 8052, 8676, 10065, 10604, 10845, 10890, 10980, 12078, 13255, 13420, 14460, 14701, 14762, 15906, 20130, 21690, 21780, 22143, 23859, 24156, 26510, 29161, 29402, 29524, 30195, 31812, 36905, 39765, 40260, 43380, 44103, 44286, 47718, 53020, 58322, 58804, 60390, 66429, 73505, 73810, 79530, 87483, 88206, 88572, 95436, 110715, 116644, 119295, 120780, 132309, 132858, 145805, 147010, 147620, 159060, 161711, 174966, 176412, 220515, 221430, 238590, 262449, 264618, 265716, 291610, 294020, 323422, 332145, 349932, 437415, 441030, 442860, 477180, 485133, 524898, 529236, 583220, 646844, 661545, 664290, 808555, 874830, 882060, 970266, 1049796, 1312245, 1323090, 1328580, 1455399, 1617110, 1749660, 1778821, 1940532, 2425665, 2624490, 2646180, 2910798, 3234220, 3557642, 4851330, 5248980, 5336463, 5821596, 7115284, 7276995, 8894105, 9702660, 10672926, 14553990, 16009389, 17788210, 21345852, 26682315, 29107980, 32018778, 35576420, 53364630, 64037556, 80046945, 106729260, 160093890, 320187780]

約数ペア:

[(1, 320187780), (2, 160093890), (3, 106729260), (4, 80046945), (5, 64037556), (6, 53364630), (9, 35576420), (10, 32018778), (11, 29107980), (12, 26682315), (15, 21345852), (18, 17788210), (20, 16009389), (22, 14553990), (30, 10672926), (33, 9702660), (36, 8894105), (44, 7276995), (45, 7115284), (55, 5821596), (60, 5336463), (61, 5248980), (66, 4851330), (90, 3557642), (99, 3234220), (110, 2910798), (121, 2646180), (122, 2624490), (132, 2425665), (165, 1940532), (180, 1778821), (183, 1749660), (198, 1617110), (220, 1455399), (241, 1328580), (242, 1323090), (244, 1312245), (305, 1049796), (330, 970266), (363, 882060), (366, 874830), (396, 808555), (482, 664290), (484, 661545), (495, 646844), (549, 583220), (605, 529236), (610, 524898), (660, 485133), (671, 477180), (723, 442860), (726, 441030), (732, 437415), (915, 349932), (964, 332145), (990, 323422), (1089, 294020), (1098, 291610), (1205, 265716), (1210, 264618), (1220, 262449), (1342, 238590), (1446, 221430), (1452, 220515), (1815, 176412), (1830, 174966), (1980, 161711), (2013, 159060), (2169, 147620), (2178, 147010), (2196, 145805), (2410, 132858), (2420, 132309), (2651, 120780), (2684, 119295), (2745, 116644), (2892, 110715), (3355, 95436), (3615, 88572), (3630, 88206), (3660, 87483), (4026, 79530), (4338, 73810), (4356, 73505), (4820, 66429), (5302, 60390), (5445, 58804), (5490, 58322), (6039, 53020), (6710, 47718), (7230, 44286), (7260, 44103), (7381, 43380), (7953, 40260), (8052, 39765), (8676, 36905), (10065, 31812), (10604, 30195), (10845, 29524), (10890, 29402), (10980, 29161), (12078, 26510), (13255, 24156), (13420, 23859), (14460, 22143), (14701, 21780), (14762, 21690), (15906, 20130)]