201491640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2222

約数の個数: 192

約数和(自身を含む): 768980160

約数和(自身を除く): 567488520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 210, 222, 252, 259, 280, 296, 315, 333, 360, 370, 420, 444, 504, 518, 555, 630, 666, 740, 777, 840, 888, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 2072, 2161, 2220, 2331, 2520, 2590, 2664, 3108, 3330, 3885, 4322, 4440, 4662, 5180, 6216, 6483, 6660, 7770, 8644, 9324, 10360, 10805, 11655, 12966, 13320, 15127, 15540, 17288, 18648, 19449, 21610, 23310, 25932, 30254, 31080, 32415, 38898, 43220, 45381, 46620, 51864, 60508, 64830, 75635, 77796, 79957, 86440, 90762, 93240, 97245, 121016, 129660, 136143, 151270, 155592, 159914, 181524, 194490, 226905, 239871, 259320, 272286, 302540, 319828, 363048, 388980, 399785, 453810, 479742, 544572, 559699, 605080, 639656, 680715, 719613, 777960, 799570, 907620, 959484, 1089144, 1119398, 1199355, 1361430, 1439226, 1599140, 1679097, 1815240, 1918968, 2238796, 2398710, 2722860, 2798495, 2878452, 3198280, 3358194, 3598065, 4477592, 4797420, 5037291, 5445720, 5596990, 5756904, 6716388, 7196130, 8395485, 9594840, 10074582, 11193980, 13432776, 14392260, 16790970, 20149164, 22387960, 25186455, 28784520, 33581940, 40298328, 50372910, 67163880, 100745820, 201491640]

約数ペア:

[(1, 201491640), (2, 100745820), (3, 67163880), (4, 50372910), (5, 40298328), (6, 33581940), (7, 28784520), (8, 25186455), (9, 22387960), (10, 20149164), (12, 16790970), (14, 14392260), (15, 13432776), (18, 11193980), (20, 10074582), (21, 9594840), (24, 8395485), (28, 7196130), (30, 6716388), (35, 5756904), (36, 5596990), (37, 5445720), (40, 5037291), (42, 4797420), (45, 4477592), (56, 3598065), (60, 3358194), (63, 3198280), (70, 2878452), (72, 2798495), (74, 2722860), (84, 2398710), (90, 2238796), (105, 1918968), (111, 1815240), (120, 1679097), (126, 1599140), (140, 1439226), (148, 1361430), (168, 1199355), (180, 1119398), (185, 1089144), (210, 959484), (222, 907620), (252, 799570), (259, 777960), (280, 719613), (296, 680715), (315, 639656), (333, 605080), (360, 559699), (370, 544572), (420, 479742), (444, 453810), (504, 399785), (518, 388980), (555, 363048), (630, 319828), (666, 302540), (740, 272286), (777, 259320), (840, 239871), (888, 226905), (1036, 194490), (1110, 181524), (1260, 159914), (1295, 155592), (1332, 151270), (1480, 136143), (1554, 129660), (1665, 121016), (2072, 97245), (2161, 93240), (2220, 90762), (2331, 86440), (2520, 79957), (2590, 77796), (2664, 75635), (3108, 64830), (3330, 60508), (3885, 51864), (4322, 46620), (4440, 45381), (4662, 43220), (5180, 38898), (6216, 32415), (6483, 31080), (6660, 30254), (7770, 25932), (8644, 23310), (9324, 21610), (10360, 19449), (10805, 18648), (11655, 17288), (12966, 15540), (13320, 15127)]