680381640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:577

約数の個数: 256

約数和(自身を含む): 2426112000

約数和(自身を除く): 1745730360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 71, 72, 76, 90, 95, 108, 114, 120, 135, 142, 152, 171, 180, 190, 213, 216, 228, 270, 284, 285, 342, 355, 360, 380, 426, 456, 467, 513, 540, 568, 570, 639, 684, 710, 760, 852, 855, 934, 1026, 1065, 1080, 1140, 1278, 1349, 1368, 1401, 1420, 1704, 1710, 1868, 1917, 2052, 2130, 2280, 2335, 2556, 2565, 2698, 2802, 2840, 3195, 3420, 3736, 3834, 4047, 4104, 4203, 4260, 4670, 5112, 5130, 5396, 5604, 6390, 6745, 6840, 7005, 7668, 8094, 8406, 8520, 8873, 9340, 9585, 10260, 10792, 11208, 12141, 12609, 12780, 13490, 14010, 15336, 16188, 16812, 17746, 18680, 19170, 20235, 20520, 21015, 24282, 25218, 25560, 26619, 26980, 28020, 32376, 33157, 33624, 35492, 36423, 38340, 40470, 42030, 44365, 48564, 50436, 53238, 53960, 56040, 60705, 63045, 66314, 70984, 72846, 76680, 79857, 80940, 84060, 88730, 97128, 99471, 100872, 106476, 121410, 126090, 132628, 133095, 145692, 159714, 161880, 165785, 168120, 177460, 182115, 198942, 212952, 239571, 242820, 252180, 265256, 266190, 291384, 298413, 319428, 331570, 354920, 364230, 397884, 399285, 479142, 485640, 497355, 504360, 532380, 596826, 629983, 638856, 663140, 728460, 795768, 798570, 895239, 958284, 994710, 1064760, 1193652, 1197855, 1259966, 1326280, 1456920, 1492065, 1597140, 1790478, 1889949, 1916568, 1989420, 2387304, 2395710, 2519932, 2984130, 3149915, 3194280, 3580956, 3779898, 3978840, 4476195, 4791420, 5039864, 5669847, 5968260, 6299830, 7161912, 7559796, 8952390, 9449745, 9582840, 11339694, 11936520, 12599660, 15119592, 17009541, 17904780, 18899490, 22679388, 25199320, 28349235, 34019082, 35809560, 37798980, 45358776, 56698470, 68038164, 75597960, 85047705, 113396940, 136076328, 170095410, 226793880, 340190820, 680381640]

約数ペア:

[(1, 680381640), (2, 340190820), (3, 226793880), (4, 170095410), (5, 136076328), (6, 113396940), (8, 85047705), (9, 75597960), (10, 68038164), (12, 56698470), (15, 45358776), (18, 37798980), (19, 35809560), (20, 34019082), (24, 28349235), (27, 25199320), (30, 22679388), (36, 18899490), (38, 17904780), (40, 17009541), (45, 15119592), (54, 12599660), (57, 11936520), (60, 11339694), (71, 9582840), (72, 9449745), (76, 8952390), (90, 7559796), (95, 7161912), (108, 6299830), (114, 5968260), (120, 5669847), (135, 5039864), (142, 4791420), (152, 4476195), (171, 3978840), (180, 3779898), (190, 3580956), (213, 3194280), (216, 3149915), (228, 2984130), (270, 2519932), (284, 2395710), (285, 2387304), (342, 1989420), (355, 1916568), (360, 1889949), (380, 1790478), (426, 1597140), (456, 1492065), (467, 1456920), (513, 1326280), (540, 1259966), (568, 1197855), (570, 1193652), (639, 1064760), (684, 994710), (710, 958284), (760, 895239), (852, 798570), (855, 795768), (934, 728460), (1026, 663140), (1065, 638856), (1080, 629983), (1140, 596826), (1278, 532380), (1349, 504360), (1368, 497355), (1401, 485640), (1420, 479142), (1704, 399285), (1710, 397884), (1868, 364230), (1917, 354920), (2052, 331570), (2130, 319428), (2280, 298413), (2335, 291384), (2556, 266190), (2565, 265256), (2698, 252180), (2802, 242820), (2840, 239571), (3195, 212952), (3420, 198942), (3736, 182115), (3834, 177460), (4047, 168120), (4104, 165785), (4203, 161880), (4260, 159714), (4670, 145692), (5112, 133095), (5130, 132628), (5396, 126090), (5604, 121410), (6390, 106476), (6745, 100872), (6840, 99471), (7005, 97128), (7668, 88730), (8094, 84060), (8406, 80940), (8520, 79857), (8873, 76680), (9340, 72846), (9585, 70984), (10260, 66314), (10792, 63045), (11208, 60705), (12141, 56040), (12609, 53960), (12780, 53238), (13490, 50436), (14010, 48564), (15336, 44365), (16188, 42030), (16812, 40470), (17746, 38340), (18680, 36423), (19170, 35492), (20235, 33624), (20520, 33157), (21015, 32376), (24282, 28020), (25218, 26980), (25560, 26619)]