2954891240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{1531}}^1$

素因数の和:1723

約数の個数: 128

約数和(自身を含む): 7796286720

約数和(自身を除く): 4841395480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 113, 122, 140, 226, 244, 280, 305, 427, 452, 488, 565, 610, 791, 854, 904, 1130, 1220, 1531, 1582, 1708, 2135, 2260, 2440, 3062, 3164, 3416, 3955, 4270, 4520, 6124, 6328, 6893, 7655, 7910, 8540, 10717, 12248, 13786, 15310, 15820, 17080, 21434, 27572, 30620, 31640, 34465, 42868, 48251, 53585, 55144, 61240, 68930, 85736, 93391, 96502, 107170, 137860, 173003, 186782, 193004, 214340, 241255, 275720, 346006, 373564, 386008, 428680, 466955, 482510, 653737, 692012, 747128, 865015, 933910, 965020, 1211021, 1307474, 1384024, 1730030, 1867820, 1930040, 2422042, 2614948, 3268685, 3460060, 3735640, 4844084, 5229896, 6055105, 6537370, 6920120, 9688168, 10553183, 12110210, 13074740, 21106366, 24220420, 26149480, 42212732, 48440840, 52765915, 73872281, 84425464, 105531830, 147744562, 211063660, 295489124, 369361405, 422127320, 590978248, 738722810, 1477445620, 2954891240]

約数ペア:

[(1, 2954891240), (2, 1477445620), (4, 738722810), (5, 590978248), (7, 422127320), (8, 369361405), (10, 295489124), (14, 211063660), (20, 147744562), (28, 105531830), (35, 84425464), (40, 73872281), (56, 52765915), (61, 48440840), (70, 42212732), (113, 26149480), (122, 24220420), (140, 21106366), (226, 13074740), (244, 12110210), (280, 10553183), (305, 9688168), (427, 6920120), (452, 6537370), (488, 6055105), (565, 5229896), (610, 4844084), (791, 3735640), (854, 3460060), (904, 3268685), (1130, 2614948), (1220, 2422042), (1531, 1930040), (1582, 1867820), (1708, 1730030), (2135, 1384024), (2260, 1307474), (2440, 1211021), (3062, 965020), (3164, 933910), (3416, 865015), (3955, 747128), (4270, 692012), (4520, 653737), (6124, 482510), (6328, 466955), (6893, 428680), (7655, 386008), (7910, 373564), (8540, 346006), (10717, 275720), (12248, 241255), (13786, 214340), (15310, 193004), (15820, 186782), (17080, 173003), (21434, 137860), (27572, 107170), (30620, 96502), (31640, 93391), (34465, 85736), (42868, 68930), (48251, 61240), (53585, 55144)]