217979580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 288

約数和(自身を含む): 785078784

約数和(自身を除く): 567099204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 37, 39, 42, 52, 60, 65, 70, 74, 78, 83, 84, 91, 105, 111, 130, 140, 148, 156, 166, 169, 182, 185, 195, 210, 222, 249, 259, 260, 273, 332, 338, 364, 370, 390, 415, 420, 444, 455, 481, 498, 507, 518, 546, 555, 581, 676, 740, 777, 780, 830, 845, 910, 962, 996, 1014, 1036, 1079, 1092, 1110, 1162, 1183, 1245, 1295, 1365, 1443, 1554, 1660, 1690, 1743, 1820, 1924, 2028, 2158, 2220, 2324, 2366, 2405, 2490, 2535, 2590, 2730, 2886, 2905, 3071, 3108, 3237, 3367, 3380, 3486, 3549, 3885, 4316, 4732, 4810, 4980, 5070, 5180, 5395, 5460, 5772, 5810, 5915, 6142, 6253, 6474, 6734, 6972, 7098, 7215, 7553, 7770, 8715, 9213, 9620, 10101, 10140, 10790, 11620, 11830, 12284, 12506, 12948, 13468, 14027, 14196, 14430, 15106, 15355, 15540, 16185, 16835, 17430, 17745, 18426, 18759, 20202, 21497, 21580, 22659, 23660, 25012, 28054, 28860, 30212, 30710, 31265, 32370, 33670, 34860, 35490, 36852, 37518, 37765, 39923, 40404, 42081, 42994, 43771, 45318, 46065, 50505, 56108, 61420, 62530, 64491, 64740, 67340, 70135, 70980, 75036, 75530, 79846, 84162, 85988, 87542, 90636, 92130, 93795, 98189, 101010, 107485, 113295, 119769, 125060, 128982, 131313, 140270, 151060, 159692, 168324, 175084, 184260, 187590, 196378, 199615, 202020, 210405, 214970, 218855, 226590, 239538, 257964, 262626, 279461, 280540, 294567, 322455, 375180, 392756, 399230, 420810, 429940, 437710, 453180, 479076, 490945, 518999, 525252, 558922, 589134, 598845, 644910, 656565, 798460, 838383, 841620, 875420, 981890, 1037998, 1117844, 1178268, 1197690, 1289820, 1313130, 1397305, 1472835, 1556997, 1676766, 1963780, 2075996, 2395380, 2594995, 2626260, 2794610, 2945670, 3113994, 3353532, 3632993, 4191915, 5189990, 5589220, 5891340, 6227988, 7265986, 7784985, 8383830, 10379980, 10898979, 14531972, 15569970, 16767660, 18164965, 21797958, 31139940, 36329930, 43595916, 54494895, 72659860, 108989790, 217979580]

約数ペア:

[(1, 217979580), (2, 108989790), (3, 72659860), (4, 54494895), (5, 43595916), (6, 36329930), (7, 31139940), (10, 21797958), (12, 18164965), (13, 16767660), (14, 15569970), (15, 14531972), (20, 10898979), (21, 10379980), (26, 8383830), (28, 7784985), (30, 7265986), (35, 6227988), (37, 5891340), (39, 5589220), (42, 5189990), (52, 4191915), (60, 3632993), (65, 3353532), (70, 3113994), (74, 2945670), (78, 2794610), (83, 2626260), (84, 2594995), (91, 2395380), (105, 2075996), (111, 1963780), (130, 1676766), (140, 1556997), (148, 1472835), (156, 1397305), (166, 1313130), (169, 1289820), (182, 1197690), (185, 1178268), (195, 1117844), (210, 1037998), (222, 981890), (249, 875420), (259, 841620), (260, 838383), (273, 798460), (332, 656565), (338, 644910), (364, 598845), (370, 589134), (390, 558922), (415, 525252), (420, 518999), (444, 490945), (455, 479076), (481, 453180), (498, 437710), (507, 429940), (518, 420810), (546, 399230), (555, 392756), (581, 375180), (676, 322455), (740, 294567), (777, 280540), (780, 279461), (830, 262626), (845, 257964), (910, 239538), (962, 226590), (996, 218855), (1014, 214970), (1036, 210405), (1079, 202020), (1092, 199615), (1110, 196378), (1162, 187590), (1183, 184260), (1245, 175084), (1295, 168324), (1365, 159692), (1443, 151060), (1554, 140270), (1660, 131313), (1690, 128982), (1743, 125060), (1820, 119769), (1924, 113295), (2028, 107485), (2158, 101010), (2220, 98189), (2324, 93795), (2366, 92130), (2405, 90636), (2490, 87542), (2535, 85988), (2590, 84162), (2730, 79846), (2886, 75530), (2905, 75036), (3071, 70980), (3108, 70135), (3237, 67340), (3367, 64740), (3380, 64491), (3486, 62530), (3549, 61420), (3885, 56108), (4316, 50505), (4732, 46065), (4810, 45318), (4980, 43771), (5070, 42994), (5180, 42081), (5395, 40404), (5460, 39923), (5772, 37765), (5810, 37518), (5915, 36852), (6142, 35490), (6253, 34860), (6474, 33670), (6734, 32370), (6972, 31265), (7098, 30710), (7215, 30212), (7553, 28860), (7770, 28054), (8715, 25012), (9213, 23660), (9620, 22659), (10101, 21580), (10140, 21497), (10790, 20202), (11620, 18759), (11830, 18426), (12284, 17745), (12506, 17430), (12948, 16835), (13468, 16185), (14027, 15540), (14196, 15355), (14430, 15106)]