1720935720

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{8431}}^1$

素因数の和:8467

約数の個数: 224

約数和(自身を含む): 6635646720

約数和(自身を除く): 4914711000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 729, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1458, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 2916, 3240, 3402, 3645, 3780, 4536, 4860, 5103, 5670, 5832, 6804, 7290, 7560, 8431, 8505, 9720, 10206, 11340, 13608, 14580, 16862, 17010, 20412, 22680, 25293, 25515, 29160, 33724, 34020, 40824, 42155, 50586, 51030, 59017, 67448, 68040, 75879, 84310, 101172, 102060, 118034, 126465, 151758, 168620, 177051, 202344, 204120, 227637, 236068, 252930, 295085, 303516, 337240, 354102, 379395, 455274, 472136, 505860, 531153, 590170, 607032, 682911, 708204, 758790, 885255, 910548, 1011720, 1062306, 1138185, 1180340, 1365822, 1416408, 1517580, 1593459, 1770510, 1821096, 2048733, 2124612, 2276370, 2360680, 2655765, 2731644, 3035160, 3186918, 3414555, 3541020, 4097466, 4249224, 4552740, 4780377, 5311530, 5463288, 6146199, 6373836, 6829110, 7082040, 7967295, 8194932, 9105480, 9560754, 10243665, 10623060, 12292398, 12747672, 13658220, 14341131, 15934590, 16389864, 19121508, 20487330, 21246120, 23901885, 24584796, 27316440, 28682262, 30730995, 31869180, 38243016, 40974660, 43023393, 47803770, 49169592, 57364524, 61461990, 63738360, 71705655, 81949320, 86046786, 95607540, 114729048, 122923980, 143411310, 172093572, 191215080, 215116965, 245847960, 286822620, 344187144, 430233930, 573645240, 860467860, 1720935720]

約数ペア:

[(1, 1720935720), (2, 860467860), (3, 573645240), (4, 430233930), (5, 344187144), (6, 286822620), (7, 245847960), (8, 215116965), (9, 191215080), (10, 172093572), (12, 143411310), (14, 122923980), (15, 114729048), (18, 95607540), (20, 86046786), (21, 81949320), (24, 71705655), (27, 63738360), (28, 61461990), (30, 57364524), (35, 49169592), (36, 47803770), (40, 43023393), (42, 40974660), (45, 38243016), (54, 31869180), (56, 30730995), (60, 28682262), (63, 27316440), (70, 24584796), (72, 23901885), (81, 21246120), (84, 20487330), (90, 19121508), (105, 16389864), (108, 15934590), (120, 14341131), (126, 13658220), (135, 12747672), (140, 12292398), (162, 10623060), (168, 10243665), (180, 9560754), (189, 9105480), (210, 8194932), (216, 7967295), (243, 7082040), (252, 6829110), (270, 6373836), (280, 6146199), (315, 5463288), (324, 5311530), (360, 4780377), (378, 4552740), (405, 4249224), (420, 4097466), (486, 3541020), (504, 3414555), (540, 3186918), (567, 3035160), (630, 2731644), (648, 2655765), (729, 2360680), (756, 2276370), (810, 2124612), (840, 2048733), (945, 1821096), (972, 1770510), (1080, 1593459), (1134, 1517580), (1215, 1416408), (1260, 1365822), (1458, 1180340), (1512, 1138185), (1620, 1062306), (1701, 1011720), (1890, 910548), (1944, 885255), (2268, 758790), (2430, 708204), (2520, 682911), (2835, 607032), (2916, 590170), (3240, 531153), (3402, 505860), (3645, 472136), (3780, 455274), (4536, 379395), (4860, 354102), (5103, 337240), (5670, 303516), (5832, 295085), (6804, 252930), (7290, 236068), (7560, 227637), (8431, 204120), (8505, 202344), (9720, 177051), (10206, 168620), (11340, 151758), (13608, 126465), (14580, 118034), (16862, 102060), (17010, 101172), (20412, 84310), (22680, 75879), (25293, 68040), (25515, 67448), (29160, 59017), (33724, 51030), (34020, 50586), (40824, 42155)]