123142320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:540

約数の個数: 240

約数和(自身を含む): 482594112

約数和(自身を除く): 359451792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 105, 106, 112, 120, 126, 140, 144, 159, 168, 180, 210, 212, 240, 252, 265, 280, 315, 318, 336, 360, 371, 420, 424, 461, 477, 504, 530, 560, 630, 636, 720, 742, 795, 840, 848, 922, 954, 1008, 1060, 1113, 1260, 1272, 1383, 1484, 1590, 1680, 1844, 1855, 1908, 2120, 2226, 2305, 2385, 2520, 2544, 2766, 2968, 3180, 3227, 3339, 3688, 3710, 3816, 4149, 4240, 4452, 4610, 4770, 5040, 5532, 5565, 5936, 6360, 6454, 6678, 6915, 7376, 7420, 7632, 8298, 8904, 9220, 9540, 9681, 11064, 11130, 12720, 12908, 13356, 13830, 14840, 16135, 16596, 16695, 17808, 18440, 19080, 19362, 20745, 22128, 22260, 24433, 25816, 26712, 27660, 29043, 29680, 32270, 33192, 33390, 36880, 38160, 38724, 41490, 44520, 48405, 48866, 51632, 53424, 55320, 58086, 64540, 66384, 66780, 73299, 77448, 82980, 89040, 96810, 97732, 110640, 116172, 122165, 129080, 133560, 145215, 146598, 154896, 165960, 171031, 193620, 195464, 219897, 232344, 244330, 258160, 267120, 290430, 293196, 331920, 342062, 366495, 387240, 390928, 439794, 464688, 488660, 513093, 580860, 586392, 684124, 732990, 774480, 855155, 879588, 977320, 1026186, 1099485, 1161720, 1172784, 1368248, 1465980, 1539279, 1710310, 1759176, 1954640, 2052372, 2198970, 2323440, 2565465, 2736496, 2931960, 3078558, 3420620, 3518352, 4104744, 4397940, 5130930, 5863920, 6157116, 6841240, 7696395, 8209488, 8795880, 10261860, 12314232, 13682480, 15392790, 17591760, 20523720, 24628464, 30785580, 41047440, 61571160, 123142320]

約数ペア:

[(1, 123142320), (2, 61571160), (3, 41047440), (4, 30785580), (5, 24628464), (6, 20523720), (7, 17591760), (8, 15392790), (9, 13682480), (10, 12314232), (12, 10261860), (14, 8795880), (15, 8209488), (16, 7696395), (18, 6841240), (20, 6157116), (21, 5863920), (24, 5130930), (28, 4397940), (30, 4104744), (35, 3518352), (36, 3420620), (40, 3078558), (42, 2931960), (45, 2736496), (48, 2565465), (53, 2323440), (56, 2198970), (60, 2052372), (63, 1954640), (70, 1759176), (72, 1710310), (80, 1539279), (84, 1465980), (90, 1368248), (105, 1172784), (106, 1161720), (112, 1099485), (120, 1026186), (126, 977320), (140, 879588), (144, 855155), (159, 774480), (168, 732990), (180, 684124), (210, 586392), (212, 580860), (240, 513093), (252, 488660), (265, 464688), (280, 439794), (315, 390928), (318, 387240), (336, 366495), (360, 342062), (371, 331920), (420, 293196), (424, 290430), (461, 267120), (477, 258160), (504, 244330), (530, 232344), (560, 219897), (630, 195464), (636, 193620), (720, 171031), (742, 165960), (795, 154896), (840, 146598), (848, 145215), (922, 133560), (954, 129080), (1008, 122165), (1060, 116172), (1113, 110640), (1260, 97732), (1272, 96810), (1383, 89040), (1484, 82980), (1590, 77448), (1680, 73299), (1844, 66780), (1855, 66384), (1908, 64540), (2120, 58086), (2226, 55320), (2305, 53424), (2385, 51632), (2520, 48866), (2544, 48405), (2766, 44520), (2968, 41490), (3180, 38724), (3227, 38160), (3339, 36880), (3688, 33390), (3710, 33192), (3816, 32270), (4149, 29680), (4240, 29043), (4452, 27660), (4610, 26712), (4770, 25816), (5040, 24433), (5532, 22260), (5565, 22128), (5936, 20745), (6360, 19362), (6454, 19080), (6678, 18440), (6915, 17808), (7376, 16695), (7420, 16596), (7632, 16135), (8298, 14840), (8904, 13830), (9220, 13356), (9540, 12908), (9681, 12720), (11064, 11130)]