321505380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 288

約数和(自身を含む): 1169925120

約数和(自身を除く): 848419740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 61, 63, 70, 84, 89, 90, 94, 105, 122, 126, 140, 141, 178, 180, 183, 188, 210, 235, 244, 252, 267, 282, 305, 315, 329, 356, 366, 420, 423, 427, 445, 470, 534, 549, 564, 610, 623, 630, 658, 705, 732, 801, 846, 854, 890, 915, 940, 987, 1068, 1098, 1220, 1246, 1260, 1281, 1316, 1335, 1410, 1602, 1645, 1692, 1708, 1780, 1830, 1869, 1974, 2115, 2135, 2196, 2492, 2562, 2670, 2745, 2820, 2867, 2961, 3115, 3204, 3290, 3660, 3738, 3843, 3948, 4005, 4183, 4230, 4270, 4935, 5124, 5340, 5429, 5490, 5607, 5734, 5922, 6230, 6405, 6580, 7476, 7686, 8010, 8366, 8460, 8540, 8601, 9345, 9870, 10858, 10980, 11214, 11468, 11844, 12460, 12549, 12810, 14335, 14805, 15372, 16020, 16287, 16732, 17202, 18690, 19215, 19740, 20069, 20915, 21716, 22428, 25098, 25620, 25803, 27145, 28035, 28670, 29281, 29610, 32574, 34404, 37380, 37647, 38003, 38430, 40138, 41830, 43005, 48861, 50196, 51606, 54290, 56070, 57340, 58562, 59220, 60207, 62745, 65148, 75294, 76006, 76860, 80276, 81435, 83660, 86010, 87843, 97722, 100345, 103212, 108580, 112140, 114009, 117124, 120414, 125490, 129015, 146405, 150588, 152012, 162870, 172020, 175686, 180621, 188235, 190015, 195444, 200690, 228018, 240828, 244305, 250980, 255163, 258030, 263529, 292810, 301035, 325740, 342027, 351372, 361242, 376470, 380030, 401380, 439215, 456036, 488610, 510326, 516060, 527058, 570045, 585620, 602070, 684054, 722484, 752940, 760060, 765489, 878430, 903105, 977220, 1020652, 1054116, 1140090, 1204140, 1275815, 1317645, 1368108, 1530978, 1710135, 1756860, 1786141, 1806210, 2280180, 2296467, 2551630, 2635290, 3061956, 3420270, 3572282, 3612420, 3827445, 4592934, 5103260, 5270580, 5358423, 6840540, 7144564, 7654890, 8930705, 9185868, 10716846, 11482335, 15309780, 16075269, 17861410, 21433692, 22964670, 26792115, 32150538, 35722820, 45929340, 53584230, 64301076, 80376345, 107168460, 160752690, 321505380]

約数ペア:

[(1, 321505380), (2, 160752690), (3, 107168460), (4, 80376345), (5, 64301076), (6, 53584230), (7, 45929340), (9, 35722820), (10, 32150538), (12, 26792115), (14, 22964670), (15, 21433692), (18, 17861410), (20, 16075269), (21, 15309780), (28, 11482335), (30, 10716846), (35, 9185868), (36, 8930705), (42, 7654890), (45, 7144564), (47, 6840540), (60, 5358423), (61, 5270580), (63, 5103260), (70, 4592934), (84, 3827445), (89, 3612420), (90, 3572282), (94, 3420270), (105, 3061956), (122, 2635290), (126, 2551630), (140, 2296467), (141, 2280180), (178, 1806210), (180, 1786141), (183, 1756860), (188, 1710135), (210, 1530978), (235, 1368108), (244, 1317645), (252, 1275815), (267, 1204140), (282, 1140090), (305, 1054116), (315, 1020652), (329, 977220), (356, 903105), (366, 878430), (420, 765489), (423, 760060), (427, 752940), (445, 722484), (470, 684054), (534, 602070), (549, 585620), (564, 570045), (610, 527058), (623, 516060), (630, 510326), (658, 488610), (705, 456036), (732, 439215), (801, 401380), (846, 380030), (854, 376470), (890, 361242), (915, 351372), (940, 342027), (987, 325740), (1068, 301035), (1098, 292810), (1220, 263529), (1246, 258030), (1260, 255163), (1281, 250980), (1316, 244305), (1335, 240828), (1410, 228018), (1602, 200690), (1645, 195444), (1692, 190015), (1708, 188235), (1780, 180621), (1830, 175686), (1869, 172020), (1974, 162870), (2115, 152012), (2135, 150588), (2196, 146405), (2492, 129015), (2562, 125490), (2670, 120414), (2745, 117124), (2820, 114009), (2867, 112140), (2961, 108580), (3115, 103212), (3204, 100345), (3290, 97722), (3660, 87843), (3738, 86010), (3843, 83660), (3948, 81435), (4005, 80276), (4183, 76860), (4230, 76006), (4270, 75294), (4935, 65148), (5124, 62745), (5340, 60207), (5429, 59220), (5490, 58562), (5607, 57340), (5734, 56070), (5922, 54290), (6230, 51606), (6405, 50196), (6580, 48861), (7476, 43005), (7686, 41830), (8010, 40138), (8366, 38430), (8460, 38003), (8540, 37647), (8601, 37380), (9345, 34404), (9870, 32574), (10858, 29610), (10980, 29281), (11214, 28670), (11468, 28035), (11844, 27145), (12460, 25803), (12549, 25620), (12810, 25098), (14335, 22428), (14805, 21716), (15372, 20915), (16020, 20069), (16287, 19740), (16732, 19215), (17202, 18690)]