231381720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:682

約数の個数: 192

約数和(自身を含む): 800280000

約数和(自身を除く): 568898280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 37, 40, 45, 58, 60, 72, 74, 87, 90, 111, 116, 120, 145, 148, 174, 180, 185, 222, 232, 261, 290, 296, 333, 348, 360, 370, 435, 444, 522, 555, 580, 599, 666, 696, 740, 870, 888, 1044, 1073, 1110, 1160, 1198, 1305, 1332, 1480, 1665, 1740, 1797, 2088, 2146, 2220, 2396, 2610, 2664, 2995, 3219, 3330, 3480, 3594, 4292, 4440, 4792, 5220, 5365, 5391, 5990, 6438, 6660, 7188, 8584, 8985, 9657, 10440, 10730, 10782, 11980, 12876, 13320, 14376, 16095, 17371, 17970, 19314, 21460, 21564, 22163, 23960, 25752, 26955, 32190, 34742, 35940, 38628, 42920, 43128, 44326, 48285, 52113, 53910, 64380, 66489, 69484, 71880, 77256, 86855, 88652, 96570, 104226, 107820, 110815, 128760, 132978, 138968, 156339, 173710, 177304, 193140, 199467, 208452, 215640, 221630, 260565, 265956, 312678, 332445, 347420, 386280, 398934, 416904, 443260, 521130, 531912, 625356, 642727, 664890, 694840, 781695, 797868, 886520, 997335, 1042260, 1250712, 1285454, 1329780, 1563390, 1595736, 1928181, 1994670, 2084520, 2570908, 2659560, 3126780, 3213635, 3856362, 3989340, 5141816, 5784543, 6253560, 6427270, 7712724, 7978680, 9640905, 11569086, 12854540, 15425448, 19281810, 23138172, 25709080, 28922715, 38563620, 46276344, 57845430, 77127240, 115690860, 231381720]

約数ペア:

[(1, 231381720), (2, 115690860), (3, 77127240), (4, 57845430), (5, 46276344), (6, 38563620), (8, 28922715), (9, 25709080), (10, 23138172), (12, 19281810), (15, 15425448), (18, 12854540), (20, 11569086), (24, 9640905), (29, 7978680), (30, 7712724), (36, 6427270), (37, 6253560), (40, 5784543), (45, 5141816), (58, 3989340), (60, 3856362), (72, 3213635), (74, 3126780), (87, 2659560), (90, 2570908), (111, 2084520), (116, 1994670), (120, 1928181), (145, 1595736), (148, 1563390), (174, 1329780), (180, 1285454), (185, 1250712), (222, 1042260), (232, 997335), (261, 886520), (290, 797868), (296, 781695), (333, 694840), (348, 664890), (360, 642727), (370, 625356), (435, 531912), (444, 521130), (522, 443260), (555, 416904), (580, 398934), (599, 386280), (666, 347420), (696, 332445), (740, 312678), (870, 265956), (888, 260565), (1044, 221630), (1073, 215640), (1110, 208452), (1160, 199467), (1198, 193140), (1305, 177304), (1332, 173710), (1480, 156339), (1665, 138968), (1740, 132978), (1797, 128760), (2088, 110815), (2146, 107820), (2220, 104226), (2396, 96570), (2610, 88652), (2664, 86855), (2995, 77256), (3219, 71880), (3330, 69484), (3480, 66489), (3594, 64380), (4292, 53910), (4440, 52113), (4792, 48285), (5220, 44326), (5365, 43128), (5391, 42920), (5990, 38628), (6438, 35940), (6660, 34742), (7188, 32190), (8584, 26955), (8985, 25752), (9657, 23960), (10440, 22163), (10730, 21564), (10782, 21460), (11980, 19314), (12876, 17970), (13320, 17371), (14376, 16095)]