18099040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 27623840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 89, 124, 155, 160, 164, 178, 205, 248, 310, 328, 356, 410, 445, 496, 620, 656, 712, 820, 890, 992, 1240, 1271, 1312, 1424, 1640, 1780, 2480, 2542, 2759, 2848, 3280, 3560, 3649, 4960, 5084, 5518, 6355, 6560, 7120, 7298, 10168, 11036, 12710, 13795, 14240, 14596, 18245, 20336, 22072, 25420, 27590, 29192, 36490, 40672, 44144, 50840, 55180, 58384, 72980, 88288, 101680, 110360, 113119, 116768, 145960, 203360, 220720, 226238, 291920, 441440, 452476, 565595, 583840, 904952, 1131190, 1809904, 2262380, 3619808, 4524760, 9049520, 18099040]

約数ペア:

[(1, 18099040), (2, 9049520), (4, 4524760), (5, 3619808), (8, 2262380), (10, 1809904), (16, 1131190), (20, 904952), (31, 583840), (32, 565595), (40, 452476), (41, 441440), (62, 291920), (80, 226238), (82, 220720), (89, 203360), (124, 145960), (155, 116768), (160, 113119), (164, 110360), (178, 101680), (205, 88288), (248, 72980), (310, 58384), (328, 55180), (356, 50840), (410, 44144), (445, 40672), (496, 36490), (620, 29192), (656, 27590), (712, 25420), (820, 22072), (890, 20336), (992, 18245), (1240, 14596), (1271, 14240), (1312, 13795), (1424, 12710), (1640, 11036), (1780, 10168), (2480, 7298), (2542, 7120), (2759, 6560), (2848, 6355), (3280, 5518), (3560, 5084), (3649, 4960)]