31078800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 180

約数和(自身を含む): 110188260

約数和(自身を除く): 79109460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 89, 90, 97, 100, 120, 144, 150, 178, 180, 194, 200, 225, 240, 267, 291, 300, 356, 360, 388, 400, 445, 450, 485, 534, 582, 600, 712, 720, 776, 801, 873, 890, 900, 970, 1068, 1164, 1200, 1335, 1424, 1455, 1552, 1602, 1746, 1780, 1800, 1940, 2136, 2225, 2328, 2425, 2670, 2910, 3204, 3492, 3560, 3600, 3880, 4005, 4272, 4365, 4450, 4656, 4850, 5340, 5820, 6408, 6675, 6984, 7120, 7275, 7760, 8010, 8633, 8730, 8900, 9700, 10680, 11640, 12816, 13350, 13968, 14550, 16020, 17266, 17460, 17800, 19400, 20025, 21360, 21825, 23280, 25899, 26700, 29100, 32040, 34532, 34920, 35600, 38800, 40050, 43165, 43650, 51798, 53400, 58200, 64080, 69064, 69840, 77697, 80100, 86330, 87300, 103596, 106800, 116400, 129495, 138128, 155394, 160200, 172660, 174600, 207192, 215825, 258990, 310788, 320400, 345320, 349200, 388485, 414384, 431650, 517980, 621576, 647475, 690640, 776970, 863300, 1035960, 1243152, 1294950, 1553940, 1726600, 1942425, 2071920, 2589900, 3107880, 3453200, 3884850, 5179800, 6215760, 7769700, 10359600, 15539400, 31078800]

約数ペア:

[(1, 31078800), (2, 15539400), (3, 10359600), (4, 7769700), (5, 6215760), (6, 5179800), (8, 3884850), (9, 3453200), (10, 3107880), (12, 2589900), (15, 2071920), (16, 1942425), (18, 1726600), (20, 1553940), (24, 1294950), (25, 1243152), (30, 1035960), (36, 863300), (40, 776970), (45, 690640), (48, 647475), (50, 621576), (60, 517980), (72, 431650), (75, 414384), (80, 388485), (89, 349200), (90, 345320), (97, 320400), (100, 310788), (120, 258990), (144, 215825), (150, 207192), (178, 174600), (180, 172660), (194, 160200), (200, 155394), (225, 138128), (240, 129495), (267, 116400), (291, 106800), (300, 103596), (356, 87300), (360, 86330), (388, 80100), (400, 77697), (445, 69840), (450, 69064), (485, 64080), (534, 58200), (582, 53400), (600, 51798), (712, 43650), (720, 43165), (776, 40050), (801, 38800), (873, 35600), (890, 34920), (900, 34532), (970, 32040), (1068, 29100), (1164, 26700), (1200, 25899), (1335, 23280), (1424, 21825), (1455, 21360), (1552, 20025), (1602, 19400), (1746, 17800), (1780, 17460), (1800, 17266), (1940, 16020), (2136, 14550), (2225, 13968), (2328, 13350), (2425, 12816), (2670, 11640), (2910, 10680), (3204, 9700), (3492, 8900), (3560, 8730), (3600, 8633), (3880, 8010), (4005, 7760), (4272, 7275), (4365, 7120), (4450, 6984), (4656, 6675), (4850, 6408), (5340, 5820)]