81226080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4339}}^1$

素因数の和:4373

約数の個数: 144

約数和(自身を含む): 298574640

約数和(自身を除く): 217348560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4339, 4680, 6240, 8678, 9360, 13017, 17356, 18720, 21695, 26034, 34712, 39051, 43390, 52068, 56407, 65085, 69424, 78102, 86780, 104136, 112814, 130170, 138848, 156204, 169221, 173560, 195255, 208272, 225628, 260340, 282035, 312408, 338442, 347120, 390510, 416544, 451256, 507663, 520680, 564070, 624816, 676884, 694240, 781020, 846105, 902512, 1015326, 1041360, 1128140, 1249632, 1353768, 1562040, 1692210, 1805024, 2030652, 2082720, 2256280, 2538315, 2707536, 3124080, 3384420, 4061304, 4512560, 5076630, 5415072, 6248160, 6768840, 8122608, 9025120, 10153260, 13537680, 16245216, 20306520, 27075360, 40613040, 81226080]

約数ペア:

[(1, 81226080), (2, 40613040), (3, 27075360), (4, 20306520), (5, 16245216), (6, 13537680), (8, 10153260), (9, 9025120), (10, 8122608), (12, 6768840), (13, 6248160), (15, 5415072), (16, 5076630), (18, 4512560), (20, 4061304), (24, 3384420), (26, 3124080), (30, 2707536), (32, 2538315), (36, 2256280), (39, 2082720), (40, 2030652), (45, 1805024), (48, 1692210), (52, 1562040), (60, 1353768), (65, 1249632), (72, 1128140), (78, 1041360), (80, 1015326), (90, 902512), (96, 846105), (104, 781020), (117, 694240), (120, 676884), (130, 624816), (144, 564070), (156, 520680), (160, 507663), (180, 451256), (195, 416544), (208, 390510), (234, 347120), (240, 338442), (260, 312408), (288, 282035), (312, 260340), (360, 225628), (390, 208272), (416, 195255), (468, 173560), (480, 169221), (520, 156204), (585, 138848), (624, 130170), (720, 112814), (780, 104136), (936, 86780), (1040, 78102), (1170, 69424), (1248, 65085), (1440, 56407), (1560, 52068), (1872, 43390), (2080, 39051), (2340, 34712), (3120, 26034), (3744, 21695), (4339, 18720), (4680, 17356), (6240, 13017), (8678, 9360)]