681792120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 256

約数和(自身を含む): 2356992000

約数和(自身を除く): 1675199880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 79, 90, 108, 120, 122, 131, 135, 158, 180, 183, 216, 237, 244, 262, 270, 305, 316, 360, 366, 393, 395, 474, 488, 524, 540, 549, 610, 632, 655, 711, 732, 786, 790, 915, 948, 1048, 1080, 1098, 1179, 1185, 1220, 1310, 1422, 1464, 1572, 1580, 1647, 1830, 1896, 1965, 2133, 2196, 2358, 2370, 2440, 2620, 2745, 2844, 3144, 3160, 3294, 3537, 3555, 3660, 3930, 4266, 4392, 4716, 4740, 4819, 5240, 5490, 5688, 5895, 6588, 7074, 7110, 7320, 7860, 7991, 8235, 8532, 9432, 9480, 9638, 10349, 10665, 10980, 11790, 13176, 14148, 14220, 14457, 15720, 15982, 16470, 17064, 17685, 19276, 20698, 21330, 21960, 23580, 23973, 24095, 28296, 28440, 28914, 31047, 31964, 32940, 35370, 38552, 39955, 41396, 42660, 43371, 47160, 47946, 48190, 51745, 57828, 62094, 63928, 65880, 70740, 71919, 72285, 79910, 82792, 85320, 86742, 93141, 95892, 96380, 103490, 115656, 119865, 124188, 130113, 141480, 143838, 144570, 155235, 159820, 173484, 186282, 191784, 192760, 206980, 215757, 216855, 239730, 248376, 260226, 279423, 287676, 289140, 310470, 319640, 346968, 359595, 372564, 413960, 431514, 433710, 465705, 479460, 520452, 558846, 575352, 578280, 620940, 631289, 650565, 719190, 745128, 863028, 867420, 931410, 958920, 1040904, 1078785, 1117692, 1241880, 1262578, 1301130, 1397115, 1438380, 1726056, 1734840, 1862820, 1893867, 2157570, 2235384, 2525156, 2602260, 2794230, 2876760, 3156445, 3725640, 3787734, 4315140, 5050312, 5204520, 5588460, 5681601, 6312890, 7575468, 8630280, 9469335, 11176920, 11363202, 12625780, 15150936, 17044803, 18938670, 22726404, 25251560, 28408005, 34089606, 37877340, 45452808, 56816010, 68179212, 75754680, 85224015, 113632020, 136358424, 170448030, 227264040, 340896060, 681792120]

約数ペア:

[(1, 681792120), (2, 340896060), (3, 227264040), (4, 170448030), (5, 136358424), (6, 113632020), (8, 85224015), (9, 75754680), (10, 68179212), (12, 56816010), (15, 45452808), (18, 37877340), (20, 34089606), (24, 28408005), (27, 25251560), (30, 22726404), (36, 18938670), (40, 17044803), (45, 15150936), (54, 12625780), (60, 11363202), (61, 11176920), (72, 9469335), (79, 8630280), (90, 7575468), (108, 6312890), (120, 5681601), (122, 5588460), (131, 5204520), (135, 5050312), (158, 4315140), (180, 3787734), (183, 3725640), (216, 3156445), (237, 2876760), (244, 2794230), (262, 2602260), (270, 2525156), (305, 2235384), (316, 2157570), (360, 1893867), (366, 1862820), (393, 1734840), (395, 1726056), (474, 1438380), (488, 1397115), (524, 1301130), (540, 1262578), (549, 1241880), (610, 1117692), (632, 1078785), (655, 1040904), (711, 958920), (732, 931410), (786, 867420), (790, 863028), (915, 745128), (948, 719190), (1048, 650565), (1080, 631289), (1098, 620940), (1179, 578280), (1185, 575352), (1220, 558846), (1310, 520452), (1422, 479460), (1464, 465705), (1572, 433710), (1580, 431514), (1647, 413960), (1830, 372564), (1896, 359595), (1965, 346968), (2133, 319640), (2196, 310470), (2358, 289140), (2370, 287676), (2440, 279423), (2620, 260226), (2745, 248376), (2844, 239730), (3144, 216855), (3160, 215757), (3294, 206980), (3537, 192760), (3555, 191784), (3660, 186282), (3930, 173484), (4266, 159820), (4392, 155235), (4716, 144570), (4740, 143838), (4819, 141480), (5240, 130113), (5490, 124188), (5688, 119865), (5895, 115656), (6588, 103490), (7074, 96380), (7110, 95892), (7320, 93141), (7860, 86742), (7991, 85320), (8235, 82792), (8532, 79910), (9432, 72285), (9480, 71919), (9638, 70740), (10349, 65880), (10665, 63928), (10980, 62094), (11790, 57828), (13176, 51745), (14148, 48190), (14220, 47946), (14457, 47160), (15720, 43371), (15982, 42660), (16470, 41396), (17064, 39955), (17685, 38552), (19276, 35370), (20698, 32940), (21330, 31964), (21960, 31047), (23580, 28914), (23973, 28440), (24095, 28296)]