1321400640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{4013}}^1$

素因数の和:4054

約数の個数: 224

約数和(自身を含む): 4893868800

約数和(自身を除く): 3572468160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 343, 392, 420, 448, 480, 490, 560, 588, 672, 686, 735, 784, 840, 960, 980, 1029, 1120, 1176, 1344, 1372, 1470, 1568, 1680, 1715, 1960, 2058, 2240, 2352, 2744, 2940, 3136, 3360, 3430, 3920, 4013, 4116, 4704, 5145, 5488, 5880, 6720, 6860, 7840, 8026, 8232, 9408, 10290, 10976, 11760, 12039, 13720, 15680, 16052, 16464, 20065, 20580, 21952, 23520, 24078, 27440, 28091, 32104, 32928, 40130, 41160, 47040, 48156, 54880, 56182, 60195, 64208, 65856, 80260, 82320, 84273, 96312, 109760, 112364, 120390, 128416, 140455, 160520, 164640, 168546, 192624, 196637, 224728, 240780, 256832, 280910, 321040, 329280, 337092, 385248, 393274, 421365, 449456, 481560, 561820, 589911, 642080, 674184, 770496, 786548, 842730, 898912, 963120, 983185, 1123640, 1179822, 1284160, 1348368, 1376459, 1573096, 1685460, 1797824, 1926240, 1966370, 2247280, 2359644, 2696736, 2752918, 2949555, 3146192, 3370920, 3852480, 3932740, 4129377, 4494560, 4719288, 5393472, 5505836, 5899110, 6292384, 6741840, 6882295, 7865480, 8258754, 8989120, 9438576, 11011672, 11798220, 12584768, 13483680, 13764590, 15730960, 16517508, 18877152, 20646885, 22023344, 23596440, 26967360, 27529180, 31461920, 33035016, 37754304, 41293770, 44046688, 47192880, 55058360, 62923840, 66070032, 82587540, 88093376, 94385760, 110116720, 132140064, 165175080, 188771520, 220233440, 264280128, 330350160, 440466880, 660700320, 1321400640]

約数ペア:

[(1, 1321400640), (2, 660700320), (3, 440466880), (4, 330350160), (5, 264280128), (6, 220233440), (7, 188771520), (8, 165175080), (10, 132140064), (12, 110116720), (14, 94385760), (15, 88093376), (16, 82587540), (20, 66070032), (21, 62923840), (24, 55058360), (28, 47192880), (30, 44046688), (32, 41293770), (35, 37754304), (40, 33035016), (42, 31461920), (48, 27529180), (49, 26967360), (56, 23596440), (60, 22023344), (64, 20646885), (70, 18877152), (80, 16517508), (84, 15730960), (96, 13764590), (98, 13483680), (105, 12584768), (112, 11798220), (120, 11011672), (140, 9438576), (147, 8989120), (160, 8258754), (168, 7865480), (192, 6882295), (196, 6741840), (210, 6292384), (224, 5899110), (240, 5505836), (245, 5393472), (280, 4719288), (294, 4494560), (320, 4129377), (336, 3932740), (343, 3852480), (392, 3370920), (420, 3146192), (448, 2949555), (480, 2752918), (490, 2696736), (560, 2359644), (588, 2247280), (672, 1966370), (686, 1926240), (735, 1797824), (784, 1685460), (840, 1573096), (960, 1376459), (980, 1348368), (1029, 1284160), (1120, 1179822), (1176, 1123640), (1344, 983185), (1372, 963120), (1470, 898912), (1568, 842730), (1680, 786548), (1715, 770496), (1960, 674184), (2058, 642080), (2240, 589911), (2352, 561820), (2744, 481560), (2940, 449456), (3136, 421365), (3360, 393274), (3430, 385248), (3920, 337092), (4013, 329280), (4116, 321040), (4704, 280910), (5145, 256832), (5488, 240780), (5880, 224728), (6720, 196637), (6860, 192624), (7840, 168546), (8026, 164640), (8232, 160520), (9408, 140455), (10290, 128416), (10976, 120390), (11760, 112364), (12039, 109760), (13720, 96312), (15680, 84273), (16052, 82320), (16464, 80260), (20065, 65856), (20580, 64208), (21952, 60195), (23520, 56182), (24078, 54880), (27440, 48156), (28091, 47040), (32104, 41160), (32928, 40130)]