71440920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2281}}^1$

素因数の和:2330

約数の個数: 128

約数和(自身を含む): 246456000

約数和(自身を除く): 175015080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 1044, 1080, 1160, 1305, 1566, 1740, 2088, 2281, 2610, 3132, 3480, 3915, 4562, 5220, 6264, 6843, 7830, 9124, 10440, 11405, 13686, 15660, 18248, 20529, 22810, 27372, 31320, 34215, 41058, 45620, 54744, 61587, 66149, 68430, 82116, 91240, 102645, 123174, 132298, 136860, 164232, 198447, 205290, 246348, 264596, 273720, 307935, 330745, 396894, 410580, 492696, 529192, 595341, 615870, 661490, 793788, 821160, 992235, 1190682, 1231740, 1322980, 1587576, 1786023, 1984470, 2381364, 2463480, 2645960, 2976705, 3572046, 3968940, 4762728, 5953410, 7144092, 7937880, 8930115, 11906820, 14288184, 17860230, 23813640, 35720460, 71440920]

約数ペア:

[(1, 71440920), (2, 35720460), (3, 23813640), (4, 17860230), (5, 14288184), (6, 11906820), (8, 8930115), (9, 7937880), (10, 7144092), (12, 5953410), (15, 4762728), (18, 3968940), (20, 3572046), (24, 2976705), (27, 2645960), (29, 2463480), (30, 2381364), (36, 1984470), (40, 1786023), (45, 1587576), (54, 1322980), (58, 1231740), (60, 1190682), (72, 992235), (87, 821160), (90, 793788), (108, 661490), (116, 615870), (120, 595341), (135, 529192), (145, 492696), (174, 410580), (180, 396894), (216, 330745), (232, 307935), (261, 273720), (270, 264596), (290, 246348), (348, 205290), (360, 198447), (435, 164232), (522, 136860), (540, 132298), (580, 123174), (696, 102645), (783, 91240), (870, 82116), (1044, 68430), (1080, 66149), (1160, 61587), (1305, 54744), (1566, 45620), (1740, 41058), (2088, 34215), (2281, 31320), (2610, 27372), (3132, 22810), (3480, 20529), (3915, 18248), (4562, 15660), (5220, 13686), (6264, 11405), (6843, 10440), (7830, 9124)]