209515320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1266

約数の個数: 192

約数和(自身を含む): 789834240

約数和(自身を除く): 580318920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 71, 72, 84, 90, 105, 120, 126, 140, 142, 168, 180, 210, 213, 252, 280, 284, 315, 355, 360, 420, 426, 497, 504, 568, 630, 639, 710, 840, 852, 994, 1065, 1171, 1260, 1278, 1420, 1491, 1704, 1988, 2130, 2342, 2485, 2520, 2556, 2840, 2982, 3195, 3513, 3976, 4260, 4473, 4684, 4970, 5112, 5855, 5964, 6390, 7026, 7455, 8197, 8520, 8946, 9368, 9940, 10539, 11710, 11928, 12780, 14052, 14910, 16394, 17565, 17892, 19880, 21078, 22365, 23420, 24591, 25560, 28104, 29820, 32788, 35130, 35784, 40985, 42156, 44730, 46840, 49182, 52695, 59640, 65576, 70260, 73773, 81970, 83141, 84312, 89460, 98364, 105390, 122955, 140520, 147546, 163940, 166282, 178920, 196728, 210780, 245910, 249423, 295092, 327880, 332564, 368865, 415705, 421560, 491820, 498846, 581987, 590184, 665128, 737730, 748269, 831410, 983640, 997692, 1163974, 1247115, 1475460, 1496538, 1662820, 1745961, 1995384, 2327948, 2494230, 2909935, 2950920, 2993076, 3325640, 3491922, 3741345, 4655896, 4988460, 5237883, 5819870, 5986152, 6983844, 7482690, 8729805, 9976920, 10475766, 11639740, 13967688, 14965380, 17459610, 20951532, 23279480, 26189415, 29930760, 34919220, 41903064, 52378830, 69838440, 104757660, 209515320]

約数ペア:

[(1, 209515320), (2, 104757660), (3, 69838440), (4, 52378830), (5, 41903064), (6, 34919220), (7, 29930760), (8, 26189415), (9, 23279480), (10, 20951532), (12, 17459610), (14, 14965380), (15, 13967688), (18, 11639740), (20, 10475766), (21, 9976920), (24, 8729805), (28, 7482690), (30, 6983844), (35, 5986152), (36, 5819870), (40, 5237883), (42, 4988460), (45, 4655896), (56, 3741345), (60, 3491922), (63, 3325640), (70, 2993076), (71, 2950920), (72, 2909935), (84, 2494230), (90, 2327948), (105, 1995384), (120, 1745961), (126, 1662820), (140, 1496538), (142, 1475460), (168, 1247115), (180, 1163974), (210, 997692), (213, 983640), (252, 831410), (280, 748269), (284, 737730), (315, 665128), (355, 590184), (360, 581987), (420, 498846), (426, 491820), (497, 421560), (504, 415705), (568, 368865), (630, 332564), (639, 327880), (710, 295092), (840, 249423), (852, 245910), (994, 210780), (1065, 196728), (1171, 178920), (1260, 166282), (1278, 163940), (1420, 147546), (1491, 140520), (1704, 122955), (1988, 105390), (2130, 98364), (2342, 89460), (2485, 84312), (2520, 83141), (2556, 81970), (2840, 73773), (2982, 70260), (3195, 65576), (3513, 59640), (3976, 52695), (4260, 49182), (4473, 46840), (4684, 44730), (4970, 42156), (5112, 40985), (5855, 35784), (5964, 35130), (6390, 32788), (7026, 29820), (7455, 28104), (8197, 25560), (8520, 24591), (8946, 23420), (9368, 22365), (9940, 21078), (10539, 19880), (11710, 17892), (11928, 17565), (12780, 16394), (14052, 14910)]