638226720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23327}}^1$

素因数の和:23367

約数の個数: 144

約数和(自身を含む): 2292675840

約数和(自身を除く): 1654449120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 13680, 23327, 27360, 46654, 69981, 93308, 116635, 139962, 186616, 209943, 233270, 279924, 349905, 373232, 419886, 443213, 466540, 559848, 699810, 746464, 839772, 886426, 933080, 1049715, 1119696, 1329639, 1399620, 1679544, 1772852, 1866160, 2099430, 2216065, 2239392, 2659278, 2799240, 3359088, 3545704, 3732320, 3988917, 4198860, 4432130, 5318556, 5598480, 6648195, 6718176, 7091408, 7977834, 8397720, 8864260, 10637112, 11196960, 13296390, 14182816, 15955668, 16795440, 17728520, 19944585, 21274224, 26592780, 31911336, 33590880, 35457040, 39889170, 42548448, 53185560, 63822672, 70914080, 79778340, 106371120, 127645344, 159556680, 212742240, 319113360, 638226720]

約数ペア:

[(1, 638226720), (2, 319113360), (3, 212742240), (4, 159556680), (5, 127645344), (6, 106371120), (8, 79778340), (9, 70914080), (10, 63822672), (12, 53185560), (15, 42548448), (16, 39889170), (18, 35457040), (19, 33590880), (20, 31911336), (24, 26592780), (30, 21274224), (32, 19944585), (36, 17728520), (38, 16795440), (40, 15955668), (45, 14182816), (48, 13296390), (57, 11196960), (60, 10637112), (72, 8864260), (76, 8397720), (80, 7977834), (90, 7091408), (95, 6718176), (96, 6648195), (114, 5598480), (120, 5318556), (144, 4432130), (152, 4198860), (160, 3988917), (171, 3732320), (180, 3545704), (190, 3359088), (228, 2799240), (240, 2659278), (285, 2239392), (288, 2216065), (304, 2099430), (342, 1866160), (360, 1772852), (380, 1679544), (456, 1399620), (480, 1329639), (570, 1119696), (608, 1049715), (684, 933080), (720, 886426), (760, 839772), (855, 746464), (912, 699810), (1140, 559848), (1368, 466540), (1440, 443213), (1520, 419886), (1710, 373232), (1824, 349905), (2280, 279924), (2736, 233270), (3040, 209943), (3420, 186616), (4560, 139962), (5472, 116635), (6840, 93308), (9120, 69981), (13680, 46654), (23327, 27360)]