51861420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:664

約数の個数: 144

約数和(自身を含む): 174283200

約数和(自身を除く): 122421780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 599, 666, 740, 780, 962, 1110, 1170, 1198, 1332, 1443, 1665, 1797, 1924, 2220, 2340, 2396, 2405, 2886, 2995, 3330, 3594, 4329, 4810, 5391, 5772, 5990, 6660, 7188, 7215, 7787, 8658, 8985, 9620, 10782, 11980, 14430, 15574, 17316, 17970, 21564, 21645, 22163, 23361, 26955, 28860, 31148, 35940, 38935, 43290, 44326, 46722, 53910, 66489, 70083, 77870, 86580, 88652, 93444, 107820, 110815, 116805, 132978, 140166, 155740, 199467, 221630, 233610, 265956, 280332, 288119, 332445, 350415, 398934, 443260, 467220, 576238, 664890, 700830, 797868, 864357, 997335, 1152476, 1329780, 1401660, 1440595, 1728714, 1994670, 2593071, 2881190, 3457428, 3989340, 4321785, 5186142, 5762380, 8643570, 10372284, 12965355, 17287140, 25930710, 51861420]

約数ペア:

[(1, 51861420), (2, 25930710), (3, 17287140), (4, 12965355), (5, 10372284), (6, 8643570), (9, 5762380), (10, 5186142), (12, 4321785), (13, 3989340), (15, 3457428), (18, 2881190), (20, 2593071), (26, 1994670), (30, 1728714), (36, 1440595), (37, 1401660), (39, 1329780), (45, 1152476), (52, 997335), (60, 864357), (65, 797868), (74, 700830), (78, 664890), (90, 576238), (111, 467220), (117, 443260), (130, 398934), (148, 350415), (156, 332445), (180, 288119), (185, 280332), (195, 265956), (222, 233610), (234, 221630), (260, 199467), (333, 155740), (370, 140166), (390, 132978), (444, 116805), (468, 110815), (481, 107820), (555, 93444), (585, 88652), (599, 86580), (666, 77870), (740, 70083), (780, 66489), (962, 53910), (1110, 46722), (1170, 44326), (1198, 43290), (1332, 38935), (1443, 35940), (1665, 31148), (1797, 28860), (1924, 26955), (2220, 23361), (2340, 22163), (2396, 21645), (2405, 21564), (2886, 17970), (2995, 17316), (3330, 15574), (3594, 14430), (4329, 11980), (4810, 10782), (5391, 9620), (5772, 8985), (5990, 8658), (6660, 7787), (7188, 7215)]