1720708920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{75869}}^1$

素因数の和:75899

約数の個数: 160

約数和(自身を含む): 6609794400

約数和(自身を除く): 4889085480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 22680, 75869, 151738, 227607, 303476, 379345, 455214, 531083, 606952, 682821, 758690, 910428, 1062166, 1138035, 1365642, 1517380, 1593249, 1820856, 2048463, 2124332, 2276070, 2655415, 2731284, 3034760, 3186498, 3414105, 4096926, 4248664, 4552140, 4779747, 5310830, 5462568, 6145389, 6372996, 6828210, 7966245, 8193852, 9104280, 9559494, 10242315, 10621660, 12290778, 12745992, 13656420, 14339241, 15932490, 16387704, 19118988, 20484630, 21243320, 23898735, 24581556, 27312840, 28678482, 30726945, 31864980, 38237976, 40969260, 43017723, 47797470, 49163112, 57356964, 61453890, 63729960, 71696205, 81938520, 86035446, 95594940, 114713928, 122907780, 143392410, 172070892, 191189880, 215088615, 245815560, 286784820, 344141784, 430177230, 573569640, 860354460, 1720708920]

約数ペア:

[(1, 1720708920), (2, 860354460), (3, 573569640), (4, 430177230), (5, 344141784), (6, 286784820), (7, 245815560), (8, 215088615), (9, 191189880), (10, 172070892), (12, 143392410), (14, 122907780), (15, 114713928), (18, 95594940), (20, 86035446), (21, 81938520), (24, 71696205), (27, 63729960), (28, 61453890), (30, 57356964), (35, 49163112), (36, 47797470), (40, 43017723), (42, 40969260), (45, 38237976), (54, 31864980), (56, 30726945), (60, 28678482), (63, 27312840), (70, 24581556), (72, 23898735), (81, 21243320), (84, 20484630), (90, 19118988), (105, 16387704), (108, 15932490), (120, 14339241), (126, 13656420), (135, 12745992), (140, 12290778), (162, 10621660), (168, 10242315), (180, 9559494), (189, 9104280), (210, 8193852), (216, 7966245), (252, 6828210), (270, 6372996), (280, 6145389), (315, 5462568), (324, 5310830), (360, 4779747), (378, 4552140), (405, 4248664), (420, 4096926), (504, 3414105), (540, 3186498), (567, 3034760), (630, 2731284), (648, 2655415), (756, 2276070), (810, 2124332), (840, 2048463), (945, 1820856), (1080, 1593249), (1134, 1517380), (1260, 1365642), (1512, 1138035), (1620, 1062166), (1890, 910428), (2268, 758690), (2520, 682821), (2835, 606952), (3240, 531083), (3780, 455214), (4536, 379345), (5670, 303476), (7560, 227607), (11340, 151738), (22680, 75869)]