18168240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 61442496

約数和(自身を除く): 43274256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 61, 68, 73, 80, 85, 102, 120, 122, 136, 146, 170, 183, 204, 219, 240, 244, 255, 272, 292, 305, 340, 365, 366, 408, 438, 488, 510, 584, 610, 680, 730, 732, 816, 876, 915, 976, 1020, 1037, 1095, 1168, 1220, 1241, 1360, 1460, 1464, 1752, 1830, 2040, 2074, 2190, 2440, 2482, 2920, 2928, 3111, 3504, 3660, 3723, 4080, 4148, 4380, 4453, 4880, 4964, 5185, 5840, 6205, 6222, 7320, 7446, 8296, 8760, 8906, 9928, 10370, 12410, 12444, 13359, 14640, 14892, 15555, 16592, 17520, 17812, 18615, 19856, 20740, 22265, 24820, 24888, 26718, 29784, 31110, 35624, 37230, 41480, 44530, 49640, 49776, 53436, 59568, 62220, 66795, 71248, 74460, 75701, 82960, 89060, 99280, 106872, 124440, 133590, 148920, 151402, 178120, 213744, 227103, 248880, 267180, 297840, 302804, 356240, 378505, 454206, 534360, 605608, 757010, 908412, 1068720, 1135515, 1211216, 1514020, 1816824, 2271030, 3028040, 3633648, 4542060, 6056080, 9084120, 18168240]

約数ペア:

[(1, 18168240), (2, 9084120), (3, 6056080), (4, 4542060), (5, 3633648), (6, 3028040), (8, 2271030), (10, 1816824), (12, 1514020), (15, 1211216), (16, 1135515), (17, 1068720), (20, 908412), (24, 757010), (30, 605608), (34, 534360), (40, 454206), (48, 378505), (51, 356240), (60, 302804), (61, 297840), (68, 267180), (73, 248880), (80, 227103), (85, 213744), (102, 178120), (120, 151402), (122, 148920), (136, 133590), (146, 124440), (170, 106872), (183, 99280), (204, 89060), (219, 82960), (240, 75701), (244, 74460), (255, 71248), (272, 66795), (292, 62220), (305, 59568), (340, 53436), (365, 49776), (366, 49640), (408, 44530), (438, 41480), (488, 37230), (510, 35624), (584, 31110), (610, 29784), (680, 26718), (730, 24888), (732, 24820), (816, 22265), (876, 20740), (915, 19856), (976, 18615), (1020, 17812), (1037, 17520), (1095, 16592), (1168, 15555), (1220, 14892), (1241, 14640), (1360, 13359), (1460, 12444), (1464, 12410), (1752, 10370), (1830, 9928), (2040, 8906), (2074, 8760), (2190, 8296), (2440, 7446), (2482, 7320), (2920, 6222), (2928, 6205), (3111, 5840), (3504, 5185), (3660, 4964), (3723, 4880), (4080, 4453), (4148, 4380)]