644241360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20183}}^1$

素因数の和:20225

約数の個数: 160

約数和(自身を含む): 2402703360

約数和(自身を除く): 1758462000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7980, 10640, 15960, 20183, 31920, 40366, 60549, 80732, 100915, 121098, 141281, 161464, 201830, 242196, 282562, 302745, 322928, 383477, 403660, 423843, 484392, 565124, 605490, 706405, 766954, 807320, 847686, 968784, 1130248, 1150431, 1210980, 1412810, 1533908, 1614640, 1695372, 1917385, 2119215, 2260496, 2300862, 2421960, 2684339, 2825620, 3067816, 3390744, 3834770, 4238430, 4601724, 4843920, 5368678, 5651240, 5752155, 6135632, 6781488, 7669540, 8053017, 8476860, 9203448, 10737356, 11302480, 11504310, 13421695, 15339080, 16106034, 16953720, 18406896, 21474712, 23008620, 26843390, 30678160, 32212068, 33907440, 40265085, 42949424, 46017240, 53686780, 64424136, 80530170, 92034480, 107373560, 128848272, 161060340, 214747120, 322120680, 644241360]

約数ペア:

[(1, 644241360), (2, 322120680), (3, 214747120), (4, 161060340), (5, 128848272), (6, 107373560), (7, 92034480), (8, 80530170), (10, 64424136), (12, 53686780), (14, 46017240), (15, 42949424), (16, 40265085), (19, 33907440), (20, 32212068), (21, 30678160), (24, 26843390), (28, 23008620), (30, 21474712), (35, 18406896), (38, 16953720), (40, 16106034), (42, 15339080), (48, 13421695), (56, 11504310), (57, 11302480), (60, 10737356), (70, 9203448), (76, 8476860), (80, 8053017), (84, 7669540), (95, 6781488), (105, 6135632), (112, 5752155), (114, 5651240), (120, 5368678), (133, 4843920), (140, 4601724), (152, 4238430), (168, 3834770), (190, 3390744), (210, 3067816), (228, 2825620), (240, 2684339), (266, 2421960), (280, 2300862), (285, 2260496), (304, 2119215), (336, 1917385), (380, 1695372), (399, 1614640), (420, 1533908), (456, 1412810), (532, 1210980), (560, 1150431), (570, 1130248), (665, 968784), (760, 847686), (798, 807320), (840, 766954), (912, 706405), (1064, 605490), (1140, 565124), (1330, 484392), (1520, 423843), (1596, 403660), (1680, 383477), (1995, 322928), (2128, 302745), (2280, 282562), (2660, 242196), (3192, 201830), (3990, 161464), (4560, 141281), (5320, 121098), (6384, 100915), (7980, 80732), (10640, 60549), (15960, 40366), (20183, 31920)]