1389728760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:778

約数の個数: 256

約数和(自身を含む): 4985487360

約数和(自身を除く): 3595758600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 83, 84, 93, 105, 120, 124, 140, 155, 166, 168, 186, 210, 217, 248, 249, 280, 310, 332, 372, 415, 420, 434, 465, 498, 581, 620, 643, 651, 664, 744, 830, 840, 868, 930, 996, 1085, 1162, 1240, 1245, 1286, 1302, 1660, 1736, 1743, 1860, 1929, 1992, 2170, 2324, 2490, 2572, 2573, 2604, 2905, 3215, 3255, 3320, 3486, 3720, 3858, 4340, 4501, 4648, 4980, 5144, 5146, 5208, 5810, 6430, 6510, 6972, 7716, 7719, 8680, 8715, 9002, 9645, 9960, 10292, 11620, 12860, 12865, 13020, 13503, 13944, 15432, 15438, 17430, 18004, 18011, 19290, 19933, 20584, 22505, 23240, 25720, 25730, 26040, 27006, 30876, 34860, 36008, 36022, 38580, 38595, 39866, 45010, 51460, 53369, 54012, 54033, 59799, 61752, 67515, 69720, 72044, 77160, 77190, 79732, 90020, 90055, 99665, 102920, 106738, 108024, 108066, 119598, 135030, 139531, 144088, 154380, 159464, 160107, 180040, 180110, 199330, 213476, 216132, 239196, 266845, 270060, 270165, 279062, 298995, 308760, 320214, 360220, 373583, 398660, 418593, 426952, 432264, 478392, 533690, 540120, 540330, 558124, 597990, 640428, 697655, 720440, 747166, 797320, 800535, 837186, 1067380, 1080660, 1116248, 1120749, 1195980, 1280856, 1395310, 1494332, 1601070, 1654439, 1674372, 1867915, 2092965, 2134760, 2161320, 2241498, 2391960, 2790620, 2988664, 3202140, 3308878, 3348744, 3735830, 4185930, 4482996, 4963317, 5581240, 5603745, 6404280, 6617756, 7471660, 8272195, 8371860, 8965992, 9926634, 11207490, 11581073, 13235512, 14943320, 16544390, 16743720, 19853268, 22414980, 23162146, 24816585, 33088780, 34743219, 39706536, 44829960, 46324292, 49633170, 57905365, 66177560, 69486438, 92648584, 99266340, 115810730, 138972876, 173716095, 198532680, 231621460, 277945752, 347432190, 463242920, 694864380, 1389728760]

約数ペア:

[(1, 1389728760), (2, 694864380), (3, 463242920), (4, 347432190), (5, 277945752), (6, 231621460), (7, 198532680), (8, 173716095), (10, 138972876), (12, 115810730), (14, 99266340), (15, 92648584), (20, 69486438), (21, 66177560), (24, 57905365), (28, 49633170), (30, 46324292), (31, 44829960), (35, 39706536), (40, 34743219), (42, 33088780), (56, 24816585), (60, 23162146), (62, 22414980), (70, 19853268), (83, 16743720), (84, 16544390), (93, 14943320), (105, 13235512), (120, 11581073), (124, 11207490), (140, 9926634), (155, 8965992), (166, 8371860), (168, 8272195), (186, 7471660), (210, 6617756), (217, 6404280), (248, 5603745), (249, 5581240), (280, 4963317), (310, 4482996), (332, 4185930), (372, 3735830), (415, 3348744), (420, 3308878), (434, 3202140), (465, 2988664), (498, 2790620), (581, 2391960), (620, 2241498), (643, 2161320), (651, 2134760), (664, 2092965), (744, 1867915), (830, 1674372), (840, 1654439), (868, 1601070), (930, 1494332), (996, 1395310), (1085, 1280856), (1162, 1195980), (1240, 1120749), (1245, 1116248), (1286, 1080660), (1302, 1067380), (1660, 837186), (1736, 800535), (1743, 797320), (1860, 747166), (1929, 720440), (1992, 697655), (2170, 640428), (2324, 597990), (2490, 558124), (2572, 540330), (2573, 540120), (2604, 533690), (2905, 478392), (3215, 432264), (3255, 426952), (3320, 418593), (3486, 398660), (3720, 373583), (3858, 360220), (4340, 320214), (4501, 308760), (4648, 298995), (4980, 279062), (5144, 270165), (5146, 270060), (5208, 266845), (5810, 239196), (6430, 216132), (6510, 213476), (6972, 199330), (7716, 180110), (7719, 180040), (8680, 160107), (8715, 159464), (9002, 154380), (9645, 144088), (9960, 139531), (10292, 135030), (11620, 119598), (12860, 108066), (12865, 108024), (13020, 106738), (13503, 102920), (13944, 99665), (15432, 90055), (15438, 90020), (17430, 79732), (18004, 77190), (18011, 77160), (19290, 72044), (19933, 69720), (20584, 67515), (22505, 61752), (23240, 59799), (25720, 54033), (25730, 54012), (26040, 53369), (27006, 51460), (30876, 45010), (34860, 39866), (36008, 38595), (36022, 38580)]