289997820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 240

約数和(自身を含む): 1053803520

約数和(自身を除く): 763805700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 107, 108, 126, 135, 140, 162, 180, 189, 210, 214, 239, 252, 270, 315, 321, 324, 378, 405, 420, 428, 478, 535, 540, 567, 630, 642, 717, 749, 756, 810, 945, 956, 963, 1070, 1134, 1195, 1260, 1284, 1434, 1498, 1605, 1620, 1673, 1890, 1926, 2140, 2151, 2247, 2268, 2390, 2835, 2868, 2889, 2996, 3210, 3346, 3585, 3745, 3780, 3852, 4302, 4494, 4780, 4815, 5019, 5670, 5778, 6420, 6453, 6692, 6741, 7170, 7490, 8365, 8604, 8667, 8988, 9630, 10038, 10755, 11235, 11340, 11556, 12906, 13482, 14340, 14445, 14980, 15057, 16730, 17334, 19260, 19359, 20076, 20223, 21510, 22470, 25095, 25573, 25812, 26964, 28890, 30114, 32265, 33460, 33705, 34668, 38718, 40446, 43020, 43335, 44940, 45171, 50190, 51146, 57780, 60228, 60669, 64530, 67410, 75285, 76719, 77436, 80892, 86670, 90342, 96795, 100380, 101115, 102292, 121338, 127865, 129060, 134820, 135513, 150570, 153438, 173340, 179011, 180684, 193590, 202230, 225855, 230157, 242676, 255730, 271026, 301140, 303345, 306876, 358022, 383595, 387180, 404460, 451710, 460314, 511460, 537033, 542052, 606690, 677565, 690471, 716044, 767190, 895055, 903420, 920628, 1074066, 1150785, 1213380, 1355130, 1380942, 1534380, 1611099, 1790110, 2071413, 2148132, 2301570, 2685165, 2710260, 2761884, 3222198, 3452355, 3580220, 4142826, 4603140, 4833297, 5370330, 6444396, 6904710, 8055495, 8285652, 9666594, 10357065, 10740660, 13809420, 14499891, 16110990, 19333188, 20714130, 24166485, 28999782, 32221980, 41428260, 48332970, 57999564, 72499455, 96665940, 144998910, 289997820]

約数ペア:

[(1, 289997820), (2, 144998910), (3, 96665940), (4, 72499455), (5, 57999564), (6, 48332970), (7, 41428260), (9, 32221980), (10, 28999782), (12, 24166485), (14, 20714130), (15, 19333188), (18, 16110990), (20, 14499891), (21, 13809420), (27, 10740660), (28, 10357065), (30, 9666594), (35, 8285652), (36, 8055495), (42, 6904710), (45, 6444396), (54, 5370330), (60, 4833297), (63, 4603140), (70, 4142826), (81, 3580220), (84, 3452355), (90, 3222198), (105, 2761884), (107, 2710260), (108, 2685165), (126, 2301570), (135, 2148132), (140, 2071413), (162, 1790110), (180, 1611099), (189, 1534380), (210, 1380942), (214, 1355130), (239, 1213380), (252, 1150785), (270, 1074066), (315, 920628), (321, 903420), (324, 895055), (378, 767190), (405, 716044), (420, 690471), (428, 677565), (478, 606690), (535, 542052), (540, 537033), (567, 511460), (630, 460314), (642, 451710), (717, 404460), (749, 387180), (756, 383595), (810, 358022), (945, 306876), (956, 303345), (963, 301140), (1070, 271026), (1134, 255730), (1195, 242676), (1260, 230157), (1284, 225855), (1434, 202230), (1498, 193590), (1605, 180684), (1620, 179011), (1673, 173340), (1890, 153438), (1926, 150570), (2140, 135513), (2151, 134820), (2247, 129060), (2268, 127865), (2390, 121338), (2835, 102292), (2868, 101115), (2889, 100380), (2996, 96795), (3210, 90342), (3346, 86670), (3585, 80892), (3745, 77436), (3780, 76719), (3852, 75285), (4302, 67410), (4494, 64530), (4780, 60669), (4815, 60228), (5019, 57780), (5670, 51146), (5778, 50190), (6420, 45171), (6453, 44940), (6692, 43335), (6741, 43020), (7170, 40446), (7490, 38718), (8365, 34668), (8604, 33705), (8667, 33460), (8988, 32265), (9630, 30114), (10038, 28890), (10755, 26964), (11235, 25812), (11340, 25573), (11556, 25095), (12906, 22470), (13482, 21510), (14340, 20223), (14445, 20076), (14980, 19359), (15057, 19260), (16730, 17334)]