1255671720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{599}}^1\times {\mathrm{647}}^1$

素因数の和:1269

約数の個数: 160

約数和(自身を含む): 4234032000

約数和(自身を除く): 2978360280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 599, 647, 648, 810, 1080, 1198, 1294, 1620, 1797, 1941, 2396, 2588, 2995, 3235, 3240, 3594, 3882, 4792, 5176, 5391, 5823, 5990, 6470, 7188, 7764, 8985, 9705, 10782, 11646, 11980, 12940, 14376, 15528, 16173, 17469, 17970, 19410, 21564, 23292, 23960, 25880, 26955, 29115, 32346, 34938, 35940, 38820, 43128, 46584, 48519, 52407, 53910, 58230, 64692, 69876, 71880, 77640, 80865, 87345, 97038, 104814, 107820, 116460, 129384, 139752, 161730, 174690, 194076, 209628, 215640, 232920, 242595, 262035, 323460, 349380, 387553, 388152, 419256, 485190, 524070, 646920, 698760, 775106, 970380, 1048140, 1162659, 1550212, 1937765, 1940760, 2096280, 2325318, 3100424, 3487977, 3875530, 4650636, 5813295, 6975954, 7751060, 9301272, 10463931, 11626590, 13951908, 15502120, 17439885, 20927862, 23253180, 27903816, 31391793, 34879770, 41855724, 46506360, 52319655, 62783586, 69759540, 83711448, 104639310, 125567172, 139519080, 156958965, 209278620, 251134344, 313917930, 418557240, 627835860, 1255671720]

約数ペア:

[(1, 1255671720), (2, 627835860), (3, 418557240), (4, 313917930), (5, 251134344), (6, 209278620), (8, 156958965), (9, 139519080), (10, 125567172), (12, 104639310), (15, 83711448), (18, 69759540), (20, 62783586), (24, 52319655), (27, 46506360), (30, 41855724), (36, 34879770), (40, 31391793), (45, 27903816), (54, 23253180), (60, 20927862), (72, 17439885), (81, 15502120), (90, 13951908), (108, 11626590), (120, 10463931), (135, 9301272), (162, 7751060), (180, 6975954), (216, 5813295), (270, 4650636), (324, 3875530), (360, 3487977), (405, 3100424), (540, 2325318), (599, 2096280), (647, 1940760), (648, 1937765), (810, 1550212), (1080, 1162659), (1198, 1048140), (1294, 970380), (1620, 775106), (1797, 698760), (1941, 646920), (2396, 524070), (2588, 485190), (2995, 419256), (3235, 388152), (3240, 387553), (3594, 349380), (3882, 323460), (4792, 262035), (5176, 242595), (5391, 232920), (5823, 215640), (5990, 209628), (6470, 194076), (7188, 174690), (7764, 161730), (8985, 139752), (9705, 129384), (10782, 116460), (11646, 107820), (11980, 104814), (12940, 97038), (14376, 87345), (15528, 80865), (16173, 77640), (17469, 71880), (17970, 69876), (19410, 64692), (21564, 58230), (23292, 53910), (23960, 52407), (25880, 48519), (26955, 46584), (29115, 43128), (32346, 38820), (34938, 35940)]