20460731040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{79379}}^1$

素因数の和:79579

約数の個数: 144

約数和(自身を含む): 70213197600

約数和(自身を除く): 49752466560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 179, 180, 240, 288, 358, 360, 480, 537, 716, 720, 895, 1074, 1432, 1440, 1611, 1790, 2148, 2685, 2864, 3222, 3580, 4296, 5370, 5728, 6444, 7160, 8055, 8592, 10740, 12888, 14320, 16110, 17184, 21480, 25776, 28640, 32220, 42960, 51552, 64440, 79379, 85920, 128880, 158758, 238137, 257760, 317516, 396895, 476274, 635032, 714411, 793790, 952548, 1190685, 1270064, 1428822, 1587580, 1905096, 2381370, 2540128, 2857644, 3175160, 3572055, 3810192, 4762740, 5715288, 6350320, 7144110, 7620384, 9525480, 11430576, 12700640, 14208841, 14288220, 19050960, 22861152, 28417682, 28576440, 38101920, 42626523, 56835364, 57152880, 71044205, 85253046, 113670728, 114305760, 127879569, 142088410, 170506092, 213132615, 227341456, 255759138, 284176820, 341012184, 426265230, 454682912, 511518276, 568353640, 639397845, 682024368, 852530460, 1023036552, 1136707280, 1278795690, 1364048736, 1705060920, 2046073104, 2273414560, 2557591380, 3410121840, 4092146208, 5115182760, 6820243680, 10230365520, 20460731040]

約数ペア:

[(1, 20460731040), (2, 10230365520), (3, 6820243680), (4, 5115182760), (5, 4092146208), (6, 3410121840), (8, 2557591380), (9, 2273414560), (10, 2046073104), (12, 1705060920), (15, 1364048736), (16, 1278795690), (18, 1136707280), (20, 1023036552), (24, 852530460), (30, 682024368), (32, 639397845), (36, 568353640), (40, 511518276), (45, 454682912), (48, 426265230), (60, 341012184), (72, 284176820), (80, 255759138), (90, 227341456), (96, 213132615), (120, 170506092), (144, 142088410), (160, 127879569), (179, 114305760), (180, 113670728), (240, 85253046), (288, 71044205), (358, 57152880), (360, 56835364), (480, 42626523), (537, 38101920), (716, 28576440), (720, 28417682), (895, 22861152), (1074, 19050960), (1432, 14288220), (1440, 14208841), (1611, 12700640), (1790, 11430576), (2148, 9525480), (2685, 7620384), (2864, 7144110), (3222, 6350320), (3580, 5715288), (4296, 4762740), (5370, 3810192), (5728, 3572055), (6444, 3175160), (7160, 2857644), (8055, 2540128), (8592, 2381370), (10740, 1905096), (12888, 1587580), (14320, 1428822), (16110, 1270064), (17184, 1190685), (21480, 952548), (25776, 793790), (28640, 714411), (32220, 635032), (42960, 476274), (51552, 396895), (64440, 317516), (79379, 257760), (85920, 238137), (128880, 158758)]