881461620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2311}}^1$

素因数の和:2502

約数の個数: 144

約数和(自身を含む): 2898360192

約数和(自身を除く): 2016898572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 163, 180, 195, 234, 260, 326, 390, 468, 489, 585, 652, 780, 815, 978, 1170, 1467, 1630, 1956, 2119, 2311, 2340, 2445, 2934, 3260, 4238, 4622, 4890, 5868, 6357, 6933, 7335, 8476, 9244, 9780, 10595, 11555, 12714, 13866, 14670, 19071, 20799, 21190, 23110, 25428, 27732, 29340, 30043, 31785, 34665, 38142, 41598, 42380, 46220, 60086, 63570, 69330, 76284, 83196, 90129, 95355, 103995, 120172, 127140, 138660, 150215, 180258, 190710, 207990, 270387, 300430, 360516, 376693, 381420, 415980, 450645, 540774, 600860, 753386, 901290, 1081548, 1130079, 1351935, 1506772, 1802580, 1883465, 2260158, 2703870, 3390237, 3766930, 4520316, 4897009, 5407740, 5650395, 6780474, 7533860, 9794018, 11300790, 13560948, 14691027, 16951185, 19588036, 22601580, 24485045, 29382054, 33902370, 44073081, 48970090, 58764108, 67804740, 73455135, 88146162, 97940180, 146910270, 176292324, 220365405, 293820540, 440730810, 881461620]

約数ペア:

[(1, 881461620), (2, 440730810), (3, 293820540), (4, 220365405), (5, 176292324), (6, 146910270), (9, 97940180), (10, 88146162), (12, 73455135), (13, 67804740), (15, 58764108), (18, 48970090), (20, 44073081), (26, 33902370), (30, 29382054), (36, 24485045), (39, 22601580), (45, 19588036), (52, 16951185), (60, 14691027), (65, 13560948), (78, 11300790), (90, 9794018), (117, 7533860), (130, 6780474), (156, 5650395), (163, 5407740), (180, 4897009), (195, 4520316), (234, 3766930), (260, 3390237), (326, 2703870), (390, 2260158), (468, 1883465), (489, 1802580), (585, 1506772), (652, 1351935), (780, 1130079), (815, 1081548), (978, 901290), (1170, 753386), (1467, 600860), (1630, 540774), (1956, 450645), (2119, 415980), (2311, 381420), (2340, 376693), (2445, 360516), (2934, 300430), (3260, 270387), (4238, 207990), (4622, 190710), (4890, 180258), (5868, 150215), (6357, 138660), (6933, 127140), (7335, 120172), (8476, 103995), (9244, 95355), (9780, 90129), (10595, 83196), (11555, 76284), (12714, 69330), (13866, 63570), (14670, 60086), (19071, 46220), (20799, 42380), (21190, 41598), (23110, 38142), (25428, 34665), (27732, 31785), (29340, 30043)]