642540960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3257}}^1$

素因数の和:3415

約数の個数: 144

約数和(自身を含む): 2209354056

約数和(自身を除く): 1566813096

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, 137, 144, 160, 180, 240, 274, 288, 360, 411, 480, 548, 685, 720, 822, 1096, 1233, 1370, 1440, 1644, 2055, 2192, 2466, 2740, 3257, 3288, 4110, 4384, 4932, 5480, 6165, 6514, 6576, 8220, 9771, 9864, 10960, 12330, 13028, 13152, 16285, 16440, 19542, 19728, 21920, 24660, 26056, 29313, 32570, 32880, 39084, 39456, 48855, 49320, 52112, 58626, 65140, 65760, 78168, 97710, 98640, 104224, 117252, 130280, 146565, 156336, 195420, 197280, 234504, 260560, 293130, 312672, 390840, 446209, 469008, 521120, 586260, 781680, 892418, 938016, 1172520, 1338627, 1563360, 1784836, 2231045, 2345040, 2677254, 3569672, 4015881, 4462090, 4690080, 5354508, 6693135, 7139344, 8031762, 8924180, 10709016, 13386270, 14278688, 16063524, 17848360, 20079405, 21418032, 26772540, 32127048, 35696720, 40158810, 42836064, 53545080, 64254096, 71393440, 80317620, 107090160, 128508192, 160635240, 214180320, 321270480, 642540960]

約数ペア:

[(1, 642540960), (2, 321270480), (3, 214180320), (4, 160635240), (5, 128508192), (6, 107090160), (8, 80317620), (9, 71393440), (10, 64254096), (12, 53545080), (15, 42836064), (16, 40158810), (18, 35696720), (20, 32127048), (24, 26772540), (30, 21418032), (32, 20079405), (36, 17848360), (40, 16063524), (45, 14278688), (48, 13386270), (60, 10709016), (72, 8924180), (80, 8031762), (90, 7139344), (96, 6693135), (120, 5354508), (137, 4690080), (144, 4462090), (160, 4015881), (180, 3569672), (240, 2677254), (274, 2345040), (288, 2231045), (360, 1784836), (411, 1563360), (480, 1338627), (548, 1172520), (685, 938016), (720, 892418), (822, 781680), (1096, 586260), (1233, 521120), (1370, 469008), (1440, 446209), (1644, 390840), (2055, 312672), (2192, 293130), (2466, 260560), (2740, 234504), (3257, 197280), (3288, 195420), (4110, 156336), (4384, 146565), (4932, 130280), (5480, 117252), (6165, 104224), (6514, 98640), (6576, 97710), (8220, 78168), (9771, 65760), (9864, 65140), (10960, 58626), (12330, 52112), (13028, 49320), (13152, 48855), (16285, 39456), (16440, 39084), (19542, 32880), (19728, 32570), (21920, 29313), (24660, 26056)]