180707100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 216

約数和(自身を含む): 641208960

約数和(自身を除く): 460501860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 49, 50, 57, 60, 70, 75, 76, 84, 95, 98, 100, 105, 114, 133, 140, 147, 150, 175, 190, 196, 210, 228, 245, 266, 285, 294, 300, 350, 380, 399, 420, 475, 490, 525, 532, 570, 588, 647, 665, 700, 735, 798, 931, 950, 980, 1050, 1140, 1225, 1294, 1330, 1425, 1470, 1596, 1862, 1900, 1941, 1995, 2100, 2450, 2588, 2660, 2793, 2850, 2940, 3235, 3325, 3675, 3724, 3882, 3990, 4529, 4655, 4900, 5586, 5700, 6470, 6650, 7350, 7764, 7980, 9058, 9310, 9705, 9975, 11172, 12293, 12940, 13300, 13587, 13965, 14700, 16175, 18116, 18620, 19410, 19950, 22645, 23275, 24586, 27174, 27930, 31703, 32350, 36879, 38820, 39900, 45290, 46550, 48525, 49172, 54348, 55860, 61465, 63406, 64700, 67935, 69825, 73758, 86051, 90580, 93100, 95109, 97050, 113225, 122930, 126812, 135870, 139650, 147516, 158515, 172102, 184395, 190218, 194100, 226450, 245860, 258153, 271740, 279300, 307325, 317030, 339675, 344204, 368790, 380436, 430255, 452900, 475545, 516306, 602357, 614650, 634060, 679350, 737580, 792575, 860510, 921975, 951090, 1032612, 1204714, 1229300, 1290765, 1358700, 1585150, 1721020, 1807071, 1843950, 1902180, 2151275, 2377725, 2409428, 2581530, 3011785, 3170300, 3614142, 3687900, 4302550, 4755450, 5163060, 6023570, 6453825, 7228284, 8605100, 9035355, 9510900, 12047140, 12907650, 15058925, 18070710, 25815300, 30117850, 36141420, 45176775, 60235700, 90353550, 180707100]

約数ペア:

[(1, 180707100), (2, 90353550), (3, 60235700), (4, 45176775), (5, 36141420), (6, 30117850), (7, 25815300), (10, 18070710), (12, 15058925), (14, 12907650), (15, 12047140), (19, 9510900), (20, 9035355), (21, 8605100), (25, 7228284), (28, 6453825), (30, 6023570), (35, 5163060), (38, 4755450), (42, 4302550), (49, 3687900), (50, 3614142), (57, 3170300), (60, 3011785), (70, 2581530), (75, 2409428), (76, 2377725), (84, 2151275), (95, 1902180), (98, 1843950), (100, 1807071), (105, 1721020), (114, 1585150), (133, 1358700), (140, 1290765), (147, 1229300), (150, 1204714), (175, 1032612), (190, 951090), (196, 921975), (210, 860510), (228, 792575), (245, 737580), (266, 679350), (285, 634060), (294, 614650), (300, 602357), (350, 516306), (380, 475545), (399, 452900), (420, 430255), (475, 380436), (490, 368790), (525, 344204), (532, 339675), (570, 317030), (588, 307325), (647, 279300), (665, 271740), (700, 258153), (735, 245860), (798, 226450), (931, 194100), (950, 190218), (980, 184395), (1050, 172102), (1140, 158515), (1225, 147516), (1294, 139650), (1330, 135870), (1425, 126812), (1470, 122930), (1596, 113225), (1862, 97050), (1900, 95109), (1941, 93100), (1995, 90580), (2100, 86051), (2450, 73758), (2588, 69825), (2660, 67935), (2793, 64700), (2850, 63406), (2940, 61465), (3235, 55860), (3325, 54348), (3675, 49172), (3724, 48525), (3882, 46550), (3990, 45290), (4529, 39900), (4655, 38820), (4900, 36879), (5586, 32350), (5700, 31703), (6470, 27930), (6650, 27174), (7350, 24586), (7764, 23275), (7980, 22645), (9058, 19950), (9310, 19410), (9705, 18620), (9975, 18116), (11172, 16175), (12293, 14700), (12940, 13965), (13300, 13587)]