664966120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 256

約数和(自身を含む): 1950842880

約数和(自身を除く): 1285876760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 71, 83, 91, 104, 124, 130, 140, 142, 155, 166, 182, 217, 248, 260, 280, 284, 310, 332, 355, 364, 403, 415, 434, 455, 497, 520, 568, 581, 620, 664, 710, 728, 806, 830, 868, 910, 923, 994, 1079, 1085, 1162, 1240, 1420, 1612, 1660, 1736, 1820, 1846, 1988, 2015, 2158, 2170, 2201, 2324, 2485, 2573, 2821, 2840, 2905, 3224, 3320, 3640, 3692, 3976, 4030, 4316, 4340, 4402, 4615, 4648, 4970, 5146, 5395, 5642, 5810, 5893, 6461, 7384, 7553, 8060, 8632, 8680, 8804, 9230, 9940, 10292, 10790, 11005, 11284, 11620, 11786, 12865, 12922, 14105, 15106, 15407, 16120, 17608, 18011, 18460, 19880, 20584, 21580, 22010, 22568, 23240, 23572, 25730, 25844, 28210, 28613, 29465, 30212, 30814, 32305, 33449, 36022, 36920, 37765, 41251, 43160, 44020, 47144, 51460, 51688, 56420, 57226, 58930, 60424, 61628, 64610, 66898, 72044, 75530, 76609, 77035, 82502, 88040, 90055, 102920, 112840, 114452, 117860, 123256, 129220, 133796, 143065, 144088, 151060, 153218, 154070, 165004, 167245, 180110, 182683, 200291, 206255, 228904, 234143, 235720, 258440, 267592, 286130, 302120, 306436, 308140, 330008, 334490, 360220, 365366, 383045, 400582, 412510, 468286, 536263, 572260, 612872, 616280, 668980, 720440, 730732, 766090, 801164, 825020, 913415, 936572, 1001455, 1072526, 1144520, 1170715, 1278781, 1337960, 1461464, 1532180, 1602328, 1650040, 1826830, 1873144, 2002910, 2145052, 2341430, 2374879, 2557562, 2681315, 3064360, 3653660, 4005820, 4290104, 4682860, 4749758, 5115124, 5362630, 6393905, 7307320, 8011640, 9365720, 9499516, 10230248, 10725260, 11874395, 12787810, 16624153, 18999032, 21450520, 23748790, 25575620, 33248306, 47497580, 51151240, 66496612, 83120765, 94995160, 132993224, 166241530, 332483060, 664966120]

約数ペア:

[(1, 664966120), (2, 332483060), (4, 166241530), (5, 132993224), (7, 94995160), (8, 83120765), (10, 66496612), (13, 51151240), (14, 47497580), (20, 33248306), (26, 25575620), (28, 23748790), (31, 21450520), (35, 18999032), (40, 16624153), (52, 12787810), (56, 11874395), (62, 10725260), (65, 10230248), (70, 9499516), (71, 9365720), (83, 8011640), (91, 7307320), (104, 6393905), (124, 5362630), (130, 5115124), (140, 4749758), (142, 4682860), (155, 4290104), (166, 4005820), (182, 3653660), (217, 3064360), (248, 2681315), (260, 2557562), (280, 2374879), (284, 2341430), (310, 2145052), (332, 2002910), (355, 1873144), (364, 1826830), (403, 1650040), (415, 1602328), (434, 1532180), (455, 1461464), (497, 1337960), (520, 1278781), (568, 1170715), (581, 1144520), (620, 1072526), (664, 1001455), (710, 936572), (728, 913415), (806, 825020), (830, 801164), (868, 766090), (910, 730732), (923, 720440), (994, 668980), (1079, 616280), (1085, 612872), (1162, 572260), (1240, 536263), (1420, 468286), (1612, 412510), (1660, 400582), (1736, 383045), (1820, 365366), (1846, 360220), (1988, 334490), (2015, 330008), (2158, 308140), (2170, 306436), (2201, 302120), (2324, 286130), (2485, 267592), (2573, 258440), (2821, 235720), (2840, 234143), (2905, 228904), (3224, 206255), (3320, 200291), (3640, 182683), (3692, 180110), (3976, 167245), (4030, 165004), (4316, 154070), (4340, 153218), (4402, 151060), (4615, 144088), (4648, 143065), (4970, 133796), (5146, 129220), (5395, 123256), (5642, 117860), (5810, 114452), (5893, 112840), (6461, 102920), (7384, 90055), (7553, 88040), (8060, 82502), (8632, 77035), (8680, 76609), (8804, 75530), (9230, 72044), (9940, 66898), (10292, 64610), (10790, 61628), (11005, 60424), (11284, 58930), (11620, 57226), (11786, 56420), (12865, 51688), (12922, 51460), (14105, 47144), (15106, 44020), (15407, 43160), (16120, 41251), (17608, 37765), (18011, 36920), (18460, 36022), (19880, 33449), (20584, 32305), (21580, 30814), (22010, 30212), (22568, 29465), (23240, 28613), (23572, 28210), (25730, 25844)]