1681498980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{444841}}^1$

素因数の和:444866

約数の個数: 96

約数和(自身を含む): 5978676480

約数和(自身を除く): 4297177500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 444841, 889682, 1334523, 1779364, 2224205, 2669046, 3113887, 4003569, 4448410, 5338092, 6227774, 6672615, 8007138, 8896820, 9341661, 12010707, 12455548, 13345230, 15569435, 16014276, 18683322, 20017845, 24021414, 26690460, 28024983, 31138870, 37366644, 40035690, 46708305, 48042828, 56049966, 60053535, 62277740, 80071380, 84074949, 93416610, 112099932, 120107070, 140124915, 168149898, 186833220, 240214140, 280249830, 336299796, 420374745, 560499660, 840749490, 1681498980]

約数ペア:

[(1, 1681498980), (2, 840749490), (3, 560499660), (4, 420374745), (5, 336299796), (6, 280249830), (7, 240214140), (9, 186833220), (10, 168149898), (12, 140124915), (14, 120107070), (15, 112099932), (18, 93416610), (20, 84074949), (21, 80071380), (27, 62277740), (28, 60053535), (30, 56049966), (35, 48042828), (36, 46708305), (42, 40035690), (45, 37366644), (54, 31138870), (60, 28024983), (63, 26690460), (70, 24021414), (84, 20017845), (90, 18683322), (105, 16014276), (108, 15569435), (126, 13345230), (135, 12455548), (140, 12010707), (180, 9341661), (189, 8896820), (210, 8007138), (252, 6672615), (270, 6227774), (315, 5338092), (378, 4448410), (420, 4003569), (540, 3113887), (630, 2669046), (756, 2224205), (945, 1779364), (1260, 1334523), (1890, 889682), (3780, 444841)]