157909040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1638

約数の個数: 80

約数和(自身を含む): 388475136

約数和(自身を除く): 230566096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1553, 1640, 2480, 2542, 3106, 3280, 5084, 6212, 6355, 7765, 10168, 12424, 12710, 15530, 20336, 24848, 25420, 31060, 48143, 50840, 62120, 63673, 96286, 101680, 124240, 127346, 192572, 240715, 254692, 318365, 385144, 481430, 509384, 636730, 770288, 962860, 1018768, 1273460, 1925720, 1973863, 2546920, 3851440, 3947726, 5093840, 7895452, 9869315, 15790904, 19738630, 31581808, 39477260, 78954520, 157909040]

約数ペア:

[(1, 157909040), (2, 78954520), (4, 39477260), (5, 31581808), (8, 19738630), (10, 15790904), (16, 9869315), (20, 7895452), (31, 5093840), (40, 3947726), (41, 3851440), (62, 2546920), (80, 1973863), (82, 1925720), (124, 1273460), (155, 1018768), (164, 962860), (205, 770288), (248, 636730), (310, 509384), (328, 481430), (410, 385144), (496, 318365), (620, 254692), (656, 240715), (820, 192572), (1240, 127346), (1271, 124240), (1553, 101680), (1640, 96286), (2480, 63673), (2542, 62120), (3106, 50840), (3280, 48143), (5084, 31060), (6212, 25420), (6355, 24848), (7765, 20336), (10168, 15530), (12424, 12710)]