639135900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 288

約数和(自身を含む): 2245689600

約数和(自身を除く): 1606553700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 131, 135, 139, 150, 156, 180, 195, 225, 234, 260, 262, 270, 278, 300, 325, 351, 390, 393, 417, 450, 468, 524, 540, 556, 585, 650, 655, 675, 695, 702, 780, 786, 834, 900, 975, 1170, 1179, 1251, 1300, 1310, 1350, 1390, 1404, 1572, 1668, 1703, 1755, 1807, 1950, 1965, 2085, 2340, 2358, 2502, 2620, 2700, 2780, 2925, 3275, 3406, 3475, 3510, 3537, 3614, 3753, 3900, 3930, 4170, 4716, 5004, 5109, 5421, 5850, 5895, 6255, 6550, 6812, 6950, 7020, 7074, 7228, 7506, 7860, 8340, 8515, 8775, 9035, 9825, 10218, 10425, 10842, 11700, 11790, 12510, 13100, 13900, 14148, 15012, 15327, 16263, 17030, 17550, 17685, 18070, 18209, 18765, 19650, 20436, 20850, 21684, 23580, 25020, 25545, 27105, 29475, 30654, 31275, 32526, 34060, 35100, 35370, 36140, 36418, 37530, 39300, 41700, 42575, 45175, 45981, 48789, 51090, 54210, 54627, 58950, 61308, 62550, 65052, 70740, 72836, 75060, 76635, 81315, 85150, 88425, 90350, 91045, 91962, 93825, 97578, 102180, 108420, 109254, 117900, 125100, 127725, 135525, 153270, 162630, 163881, 170300, 176850, 180700, 182090, 183924, 187650, 195156, 218508, 229905, 236717, 243945, 255450, 271050, 273135, 306540, 325260, 327762, 353700, 364180, 375300, 383175, 406575, 455225, 459810, 473434, 487890, 491643, 510900, 542100, 546270, 655524, 710151, 766350, 813150, 819405, 910450, 919620, 946868, 975780, 983286, 1092540, 1149525, 1183585, 1219725, 1365675, 1420302, 1532700, 1626300, 1638810, 1820900, 1966572, 2130453, 2299050, 2367170, 2439450, 2458215, 2731350, 2840604, 3277620, 3550755, 4097025, 4260906, 4598100, 4734340, 4878900, 4916430, 5462700, 5917925, 6391359, 7101510, 8194050, 8521812, 9832860, 10652265, 11835850, 12291075, 12782718, 14203020, 16388100, 17753775, 21304530, 23671700, 24582150, 25565436, 31956795, 35507550, 42609060, 49164300, 53261325, 63913590, 71015100, 106522650, 127827180, 159783975, 213045300, 319567950, 639135900]

約数ペア:

[(1, 639135900), (2, 319567950), (3, 213045300), (4, 159783975), (5, 127827180), (6, 106522650), (9, 71015100), (10, 63913590), (12, 53261325), (13, 49164300), (15, 42609060), (18, 35507550), (20, 31956795), (25, 25565436), (26, 24582150), (27, 23671700), (30, 21304530), (36, 17753775), (39, 16388100), (45, 14203020), (50, 12782718), (52, 12291075), (54, 11835850), (60, 10652265), (65, 9832860), (75, 8521812), (78, 8194050), (90, 7101510), (100, 6391359), (108, 5917925), (117, 5462700), (130, 4916430), (131, 4878900), (135, 4734340), (139, 4598100), (150, 4260906), (156, 4097025), (180, 3550755), (195, 3277620), (225, 2840604), (234, 2731350), (260, 2458215), (262, 2439450), (270, 2367170), (278, 2299050), (300, 2130453), (325, 1966572), (351, 1820900), (390, 1638810), (393, 1626300), (417, 1532700), (450, 1420302), (468, 1365675), (524, 1219725), (540, 1183585), (556, 1149525), (585, 1092540), (650, 983286), (655, 975780), (675, 946868), (695, 919620), (702, 910450), (780, 819405), (786, 813150), (834, 766350), (900, 710151), (975, 655524), (1170, 546270), (1179, 542100), (1251, 510900), (1300, 491643), (1310, 487890), (1350, 473434), (1390, 459810), (1404, 455225), (1572, 406575), (1668, 383175), (1703, 375300), (1755, 364180), (1807, 353700), (1950, 327762), (1965, 325260), (2085, 306540), (2340, 273135), (2358, 271050), (2502, 255450), (2620, 243945), (2700, 236717), (2780, 229905), (2925, 218508), (3275, 195156), (3406, 187650), (3475, 183924), (3510, 182090), (3537, 180700), (3614, 176850), (3753, 170300), (3900, 163881), (3930, 162630), (4170, 153270), (4716, 135525), (5004, 127725), (5109, 125100), (5421, 117900), (5850, 109254), (5895, 108420), (6255, 102180), (6550, 97578), (6812, 93825), (6950, 91962), (7020, 91045), (7074, 90350), (7228, 88425), (7506, 85150), (7860, 81315), (8340, 76635), (8515, 75060), (8775, 72836), (9035, 70740), (9825, 65052), (10218, 62550), (10425, 61308), (10842, 58950), (11700, 54627), (11790, 54210), (12510, 51090), (13100, 48789), (13900, 45981), (14148, 45175), (15012, 42575), (15327, 41700), (16263, 39300), (17030, 37530), (17550, 36418), (17685, 36140), (18070, 35370), (18209, 35100), (18765, 34060), (19650, 32526), (20436, 31275), (20850, 30654), (21684, 29475), (23580, 27105), (25020, 25545)]