206811960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1487}}^1$

素因数の和:1581

約数の個数: 128

約数和(自身を含む): 664243200

約数和(自身を除く): 457431240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 61, 76, 95, 114, 120, 122, 152, 183, 190, 228, 244, 285, 305, 366, 380, 456, 488, 570, 610, 732, 760, 915, 1140, 1159, 1220, 1464, 1487, 1830, 2280, 2318, 2440, 2974, 3477, 3660, 4461, 4636, 5795, 5948, 6954, 7320, 7435, 8922, 9272, 11590, 11896, 13908, 14870, 17385, 17844, 22305, 23180, 27816, 28253, 29740, 34770, 35688, 44610, 46360, 56506, 59480, 69540, 84759, 89220, 90707, 113012, 139080, 141265, 169518, 178440, 181414, 226024, 272121, 282530, 339036, 362828, 423795, 453535, 544242, 565060, 678072, 725656, 847590, 907070, 1088484, 1130120, 1360605, 1695180, 1723433, 1814140, 2176968, 2721210, 3390360, 3446866, 3628280, 5170299, 5442420, 6893732, 8617165, 10340598, 10884840, 13787464, 17234330, 20681196, 25851495, 34468660, 41362392, 51702990, 68937320, 103405980, 206811960]

約数ペア:

[(1, 206811960), (2, 103405980), (3, 68937320), (4, 51702990), (5, 41362392), (6, 34468660), (8, 25851495), (10, 20681196), (12, 17234330), (15, 13787464), (19, 10884840), (20, 10340598), (24, 8617165), (30, 6893732), (38, 5442420), (40, 5170299), (57, 3628280), (60, 3446866), (61, 3390360), (76, 2721210), (95, 2176968), (114, 1814140), (120, 1723433), (122, 1695180), (152, 1360605), (183, 1130120), (190, 1088484), (228, 907070), (244, 847590), (285, 725656), (305, 678072), (366, 565060), (380, 544242), (456, 453535), (488, 423795), (570, 362828), (610, 339036), (732, 282530), (760, 272121), (915, 226024), (1140, 181414), (1159, 178440), (1220, 169518), (1464, 141265), (1487, 139080), (1830, 113012), (2280, 90707), (2318, 89220), (2440, 84759), (2974, 69540), (3477, 59480), (3660, 56506), (4461, 46360), (4636, 44610), (5795, 35688), (5948, 34770), (6954, 29740), (7320, 28253), (7435, 27816), (8922, 23180), (9272, 22305), (11590, 17844), (11896, 17385), (13908, 14870)]