280283760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 240

約数和(自身を含む): 1027836000

約数和(自身を除く): 747552240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 289, 306, 340, 360, 408, 432, 449, 459, 510, 540, 578, 612, 680, 720, 765, 816, 867, 898, 918, 1020, 1080, 1156, 1224, 1347, 1360, 1445, 1530, 1734, 1796, 1836, 2040, 2160, 2245, 2295, 2312, 2448, 2601, 2694, 2890, 3060, 3468, 3592, 3672, 4041, 4080, 4335, 4490, 4590, 4624, 5202, 5388, 5780, 6120, 6735, 6936, 7184, 7344, 7633, 7803, 8082, 8670, 8980, 9180, 10404, 10776, 11560, 12123, 12240, 13005, 13470, 13872, 15266, 15606, 16164, 17340, 17960, 18360, 20205, 20808, 21552, 22899, 23120, 24246, 26010, 26940, 30532, 31212, 32328, 34680, 35920, 36720, 38165, 39015, 40410, 41616, 45798, 48492, 52020, 53880, 60615, 61064, 62424, 64656, 68697, 69360, 76330, 78030, 80820, 91596, 96984, 104040, 107760, 114495, 121230, 122128, 124848, 129761, 137394, 152660, 156060, 161640, 183192, 193968, 206091, 208080, 228990, 242460, 259522, 274788, 305320, 312120, 323280, 343485, 366384, 389283, 412182, 457980, 484920, 519044, 549576, 610640, 624240, 648805, 686970, 778566, 824364, 915960, 969840, 1030455, 1038088, 1099152, 1167849, 1297610, 1373940, 1557132, 1648728, 1831920, 1946415, 2060910, 2076176, 2335698, 2595220, 2747880, 3114264, 3297456, 3503547, 3892830, 4121820, 4671396, 5190440, 5495760, 5839245, 6228528, 7007094, 7785660, 8243640, 9342792, 10380880, 11678490, 14014188, 15571320, 16487280, 17517735, 18685584, 23356980, 28028376, 31142640, 35035470, 46713960, 56056752, 70070940, 93427920, 140141880, 280283760]

約数ペア:

[(1, 280283760), (2, 140141880), (3, 93427920), (4, 70070940), (5, 56056752), (6, 46713960), (8, 35035470), (9, 31142640), (10, 28028376), (12, 23356980), (15, 18685584), (16, 17517735), (17, 16487280), (18, 15571320), (20, 14014188), (24, 11678490), (27, 10380880), (30, 9342792), (34, 8243640), (36, 7785660), (40, 7007094), (45, 6228528), (48, 5839245), (51, 5495760), (54, 5190440), (60, 4671396), (68, 4121820), (72, 3892830), (80, 3503547), (85, 3297456), (90, 3114264), (102, 2747880), (108, 2595220), (120, 2335698), (135, 2076176), (136, 2060910), (144, 1946415), (153, 1831920), (170, 1648728), (180, 1557132), (204, 1373940), (216, 1297610), (240, 1167849), (255, 1099152), (270, 1038088), (272, 1030455), (289, 969840), (306, 915960), (340, 824364), (360, 778566), (408, 686970), (432, 648805), (449, 624240), (459, 610640), (510, 549576), (540, 519044), (578, 484920), (612, 457980), (680, 412182), (720, 389283), (765, 366384), (816, 343485), (867, 323280), (898, 312120), (918, 305320), (1020, 274788), (1080, 259522), (1156, 242460), (1224, 228990), (1347, 208080), (1360, 206091), (1445, 193968), (1530, 183192), (1734, 161640), (1796, 156060), (1836, 152660), (2040, 137394), (2160, 129761), (2245, 124848), (2295, 122128), (2312, 121230), (2448, 114495), (2601, 107760), (2694, 104040), (2890, 96984), (3060, 91596), (3468, 80820), (3592, 78030), (3672, 76330), (4041, 69360), (4080, 68697), (4335, 64656), (4490, 62424), (4590, 61064), (4624, 60615), (5202, 53880), (5388, 52020), (5780, 48492), (6120, 45798), (6735, 41616), (6936, 40410), (7184, 39015), (7344, 38165), (7633, 36720), (7803, 35920), (8082, 34680), (8670, 32328), (8980, 31212), (9180, 30532), (10404, 26940), (10776, 26010), (11560, 24246), (12123, 23120), (12240, 22899), (13005, 21552), (13470, 20808), (13872, 20205), (15266, 18360), (15606, 17960), (16164, 17340)]