87048780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 304819200

約数和(自身を除く): 217770420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 107, 130, 140, 149, 156, 182, 195, 210, 214, 260, 273, 298, 321, 364, 390, 420, 428, 447, 455, 535, 546, 596, 642, 745, 749, 780, 894, 910, 1043, 1070, 1092, 1284, 1365, 1391, 1490, 1498, 1605, 1788, 1820, 1937, 2086, 2140, 2235, 2247, 2730, 2782, 2980, 2996, 3129, 3210, 3745, 3874, 4172, 4173, 4470, 4494, 5215, 5460, 5564, 5811, 6258, 6420, 6955, 7490, 7748, 8346, 8940, 8988, 9685, 9737, 10430, 11235, 11622, 12516, 13559, 13910, 14980, 15645, 15943, 16692, 19370, 19474, 20860, 20865, 22470, 23244, 27118, 27820, 29055, 29211, 31290, 31886, 38740, 38948, 40677, 41730, 44940, 47829, 48685, 54236, 58110, 58422, 62580, 63772, 67795, 79715, 81354, 83460, 95658, 97370, 111601, 116220, 116844, 135590, 146055, 159430, 162708, 191316, 194740, 203385, 207259, 223202, 239145, 271180, 292110, 318860, 334803, 406770, 414518, 446404, 478290, 558005, 584220, 621777, 669606, 813540, 829036, 956580, 1036295, 1116010, 1243554, 1339212, 1450813, 1674015, 2072590, 2232020, 2487108, 2901626, 3108885, 3348030, 4145180, 4352439, 5803252, 6217770, 6696060, 7254065, 8704878, 12435540, 14508130, 17409756, 21762195, 29016260, 43524390, 87048780]

約数ペア:

[(1, 87048780), (2, 43524390), (3, 29016260), (4, 21762195), (5, 17409756), (6, 14508130), (7, 12435540), (10, 8704878), (12, 7254065), (13, 6696060), (14, 6217770), (15, 5803252), (20, 4352439), (21, 4145180), (26, 3348030), (28, 3108885), (30, 2901626), (35, 2487108), (39, 2232020), (42, 2072590), (52, 1674015), (60, 1450813), (65, 1339212), (70, 1243554), (78, 1116010), (84, 1036295), (91, 956580), (105, 829036), (107, 813540), (130, 669606), (140, 621777), (149, 584220), (156, 558005), (182, 478290), (195, 446404), (210, 414518), (214, 406770), (260, 334803), (273, 318860), (298, 292110), (321, 271180), (364, 239145), (390, 223202), (420, 207259), (428, 203385), (447, 194740), (455, 191316), (535, 162708), (546, 159430), (596, 146055), (642, 135590), (745, 116844), (749, 116220), (780, 111601), (894, 97370), (910, 95658), (1043, 83460), (1070, 81354), (1092, 79715), (1284, 67795), (1365, 63772), (1391, 62580), (1490, 58422), (1498, 58110), (1605, 54236), (1788, 48685), (1820, 47829), (1937, 44940), (2086, 41730), (2140, 40677), (2235, 38948), (2247, 38740), (2730, 31886), (2782, 31290), (2980, 29211), (2996, 29055), (3129, 27820), (3210, 27118), (3745, 23244), (3874, 22470), (4172, 20865), (4173, 20860), (4470, 19474), (4494, 19370), (5215, 16692), (5460, 15943), (5564, 15645), (5811, 14980), (6258, 13910), (6420, 13559), (6955, 12516), (7490, 11622), (7748, 11235), (8346, 10430), (8940, 9737), (8988, 9685)]