207480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 128

約数和(自身を含む): 806400

約数和(自身を除く): 598920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1235, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1976, 1995, 2184, 2280, 2470, 2660, 2730, 2964, 3192, 3458, 3640, 3705, 3990, 4940, 5187, 5320, 5460, 5928, 6916, 7410, 7980, 8645, 9880, 10374, 10920, 13832, 14820, 15960, 17290, 20748, 25935, 29640, 34580, 41496, 51870, 69160, 103740, 207480]

約数ペア:

[(1, 207480), (2, 103740), (3, 69160), (4, 51870), (5, 41496), (6, 34580), (7, 29640), (8, 25935), (10, 20748), (12, 17290), (13, 15960), (14, 14820), (15, 13832), (19, 10920), (20, 10374), (21, 9880), (24, 8645), (26, 7980), (28, 7410), (30, 6916), (35, 5928), (38, 5460), (39, 5320), (40, 5187), (42, 4940), (52, 3990), (56, 3705), (57, 3640), (60, 3458), (65, 3192), (70, 2964), (76, 2730), (78, 2660), (84, 2470), (91, 2280), (95, 2184), (104, 1995), (105, 1976), (114, 1820), (120, 1729), (130, 1596), (133, 1560), (140, 1482), (152, 1365), (156, 1330), (168, 1235), (182, 1140), (190, 1092), (195, 1064), (210, 988), (228, 910), (247, 840), (260, 798), (266, 780), (273, 760), (280, 741), (285, 728), (312, 665), (364, 570), (380, 546), (390, 532), (399, 520), (420, 494), (455, 456)]