1256138520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16433}}^1$

素因数の和:16474

約数の個数: 192

約数和(自身を含む): 4721159520

約数和(自身を除く): 3465021000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 520, 546, 588, 637, 728, 735, 780, 840, 910, 980, 1092, 1176, 1274, 1365, 1470, 1560, 1820, 1911, 1960, 2184, 2548, 2730, 2940, 3185, 3640, 3822, 5096, 5460, 5880, 6370, 7644, 9555, 10920, 12740, 15288, 16433, 19110, 25480, 32866, 38220, 49299, 65732, 76440, 82165, 98598, 115031, 131464, 164330, 197196, 213629, 230062, 246495, 328660, 345093, 394392, 427258, 460124, 492990, 575155, 640887, 657320, 690186, 805217, 854516, 920248, 985980, 1068145, 1150310, 1281774, 1380372, 1495403, 1610434, 1709032, 1725465, 1971960, 2136290, 2300620, 2415651, 2563548, 2760744, 2990806, 3204435, 3220868, 3450930, 4026085, 4272580, 4486209, 4601240, 4831302, 5127096, 5981612, 6408870, 6441736, 6901860, 7477015, 8052170, 8545160, 8972418, 9662604, 10467821, 11963224, 12078255, 12817740, 13803720, 14954030, 16104340, 17944836, 19325208, 20935642, 22431045, 24156510, 25635480, 29908060, 31403463, 32208680, 35889672, 41871284, 44862090, 48313020, 52339105, 59816120, 62806926, 83742568, 89724180, 96626040, 104678210, 125613852, 157017315, 179448360, 209356420, 251227704, 314034630, 418712840, 628069260, 1256138520]

約数ペア:

[(1, 1256138520), (2, 628069260), (3, 418712840), (4, 314034630), (5, 251227704), (6, 209356420), (7, 179448360), (8, 157017315), (10, 125613852), (12, 104678210), (13, 96626040), (14, 89724180), (15, 83742568), (20, 62806926), (21, 59816120), (24, 52339105), (26, 48313020), (28, 44862090), (30, 41871284), (35, 35889672), (39, 32208680), (40, 31403463), (42, 29908060), (49, 25635480), (52, 24156510), (56, 22431045), (60, 20935642), (65, 19325208), (70, 17944836), (78, 16104340), (84, 14954030), (91, 13803720), (98, 12817740), (104, 12078255), (105, 11963224), (120, 10467821), (130, 9662604), (140, 8972418), (147, 8545160), (156, 8052170), (168, 7477015), (182, 6901860), (195, 6441736), (196, 6408870), (210, 5981612), (245, 5127096), (260, 4831302), (273, 4601240), (280, 4486209), (294, 4272580), (312, 4026085), (364, 3450930), (390, 3220868), (392, 3204435), (420, 2990806), (455, 2760744), (490, 2563548), (520, 2415651), (546, 2300620), (588, 2136290), (637, 1971960), (728, 1725465), (735, 1709032), (780, 1610434), (840, 1495403), (910, 1380372), (980, 1281774), (1092, 1150310), (1176, 1068145), (1274, 985980), (1365, 920248), (1470, 854516), (1560, 805217), (1820, 690186), (1911, 657320), (1960, 640887), (2184, 575155), (2548, 492990), (2730, 460124), (2940, 427258), (3185, 394392), (3640, 345093), (3822, 328660), (5096, 246495), (5460, 230062), (5880, 213629), (6370, 197196), (7644, 164330), (9555, 131464), (10920, 115031), (12740, 98598), (15288, 82165), (16433, 76440), (19110, 65732), (25480, 49299), (32866, 38220)]