128409120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{12739}}^1$

素因数の和:12767

約数の個数: 144

約数和(自身を含む): 500834880

約数和(自身を除く): 372425760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 12739, 25478, 38217, 50956, 63695, 76434, 89173, 101912, 114651, 127390, 152868, 178346, 191085, 203824, 229302, 254780, 267519, 305736, 356692, 382170, 407648, 445865, 458604, 509560, 535038, 573255, 611472, 713384, 764340, 802557, 891730, 917208, 1019120, 1070076, 1146510, 1222944, 1337595, 1426768, 1528680, 1605114, 1783460, 1834416, 2038240, 2140152, 2293020, 2675190, 2853536, 3057360, 3210228, 3566920, 3668832, 4012785, 4280304, 4586040, 5350380, 6114720, 6420456, 7133840, 8025570, 8560608, 9172080, 10700760, 12840912, 14267680, 16051140, 18344160, 21401520, 25681824, 32102280, 42803040, 64204560, 128409120]

約数ペア:

[(1, 128409120), (2, 64204560), (3, 42803040), (4, 32102280), (5, 25681824), (6, 21401520), (7, 18344160), (8, 16051140), (9, 14267680), (10, 12840912), (12, 10700760), (14, 9172080), (15, 8560608), (16, 8025570), (18, 7133840), (20, 6420456), (21, 6114720), (24, 5350380), (28, 4586040), (30, 4280304), (32, 4012785), (35, 3668832), (36, 3566920), (40, 3210228), (42, 3057360), (45, 2853536), (48, 2675190), (56, 2293020), (60, 2140152), (63, 2038240), (70, 1834416), (72, 1783460), (80, 1605114), (84, 1528680), (90, 1426768), (96, 1337595), (105, 1222944), (112, 1146510), (120, 1070076), (126, 1019120), (140, 917208), (144, 891730), (160, 802557), (168, 764340), (180, 713384), (210, 611472), (224, 573255), (240, 535038), (252, 509560), (280, 458604), (288, 445865), (315, 407648), (336, 382170), (360, 356692), (420, 305736), (480, 267519), (504, 254780), (560, 229302), (630, 203824), (672, 191085), (720, 178346), (840, 152868), (1008, 127390), (1120, 114651), (1260, 101912), (1440, 89173), (1680, 76434), (2016, 63695), (2520, 50956), (3360, 38217), (5040, 25478), (10080, 12739)]