128651040

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{12763}}^1$

素因数の和:12791

約数の個数: 144

約数和(自身を含む): 501778368

約数和(自身を除く): 373127328

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, 12763, 25526, 38289, 51052, 63815, 76578, 89341, 102104, 114867, 127630, 153156, 178682, 191445, 204208, 229734, 255260, 268023, 306312, 357364, 382890, 408416, 446705, 459468, 510520, 536046, 574335, 612624, 714728, 765780, 804069, 893410, 918936, 1021040, 1072092, 1148670, 1225248, 1340115, 1429456, 1531560, 1608138, 1786820, 1837872, 2042080, 2144184, 2297340, 2680230, 2858912, 3063120, 3216276, 3573640, 3675744, 4020345, 4288368, 4594680, 5360460, 6126240, 6432552, 7147280, 8040690, 8576736, 9189360, 10720920, 12865104, 14294560, 16081380, 18378720, 21441840, 25730208, 32162760, 42883680, 64325520, 128651040]

約数ペア:

[(1, 128651040), (2, 64325520), (3, 42883680), (4, 32162760), (5, 25730208), (6, 21441840), (7, 18378720), (8, 16081380), (9, 14294560), (10, 12865104), (12, 10720920), (14, 9189360), (15, 8576736), (16, 8040690), (18, 7147280), (20, 6432552), (21, 6126240), (24, 5360460), (28, 4594680), (30, 4288368), (32, 4020345), (35, 3675744), (36, 3573640), (40, 3216276), (42, 3063120), (45, 2858912), (48, 2680230), (56, 2297340), (60, 2144184), (63, 2042080), (70, 1837872), (72, 1786820), (80, 1608138), (84, 1531560), (90, 1429456), (96, 1340115), (105, 1225248), (112, 1148670), (120, 1072092), (126, 1021040), (140, 918936), (144, 893410), (160, 804069), (168, 765780), (180, 714728), (210, 612624), (224, 574335), (240, 536046), (252, 510520), (280, 459468), (288, 446705), (315, 408416), (336, 382890), (360, 357364), (420, 306312), (480, 268023), (504, 255260), (560, 229734), (630, 204208), (672, 191445), (720, 178682), (840, 153156), (1008, 127630), (1120, 114867), (1260, 102104), (1440, 89341), (1680, 76578), (2016, 63815), (2520, 51052), (3360, 38289), (5040, 25526), (10080, 12763)]