381456540

素因数分解:

$2^2\times 3^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 264

約数和(自身を含む): 1339223760

約数和(自身を除く): 957767220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 81, 85, 90, 95, 102, 108, 114, 135, 153, 162, 170, 171, 180, 190, 204, 228, 243, 255, 270, 285, 306, 323, 324, 340, 342, 380, 405, 459, 486, 510, 513, 540, 570, 612, 646, 684, 729, 765, 810, 855, 918, 969, 972, 1020, 1026, 1140, 1215, 1292, 1377, 1458, 1530, 1539, 1615, 1620, 1710, 1836, 1938, 2052, 2187, 2295, 2430, 2565, 2754, 2907, 2916, 3060, 3078, 3230, 3420, 3645, 3876, 4131, 4374, 4590, 4617, 4845, 4860, 5130, 5508, 5814, 6156, 6460, 6561, 6885, 7290, 7695, 8262, 8721, 8748, 9180, 9234, 9690, 10260, 10935, 11628, 12393, 13122, 13770, 13851, 14535, 14580, 15390, 16524, 17442, 18468, 19380, 19683, 20655, 21870, 23085, 24786, 26163, 26244, 27540, 27702, 29070, 30780, 32805, 34884, 37179, 39366, 41310, 41553, 43605, 43740, 46170, 49572, 52326, 55404, 58140, 59049, 61965, 65610, 69255, 74358, 78489, 78732, 82620, 83106, 87210, 92340, 98415, 104652, 111537, 118098, 123930, 124659, 130815, 131220, 138510, 148716, 156978, 166212, 174420, 185895, 196830, 207765, 223074, 235467, 236196, 247860, 249318, 261630, 277020, 295245, 313956, 334611, 371790, 373977, 392445, 393660, 415530, 446148, 470934, 498636, 523260, 557685, 590490, 623295, 669222, 706401, 743580, 747954, 784890, 831060, 941868, 1003833, 1115370, 1121931, 1177335, 1180980, 1246590, 1338444, 1412802, 1495908, 1569780, 1673055, 1869885, 2007666, 2119203, 2230740, 2243862, 2354670, 2493180, 2825604, 3346110, 3532005, 3739770, 4015332, 4238406, 4487724, 4709340, 5019165, 5609655, 6357609, 6692220, 7064010, 7479540, 8476812, 10038330, 10596015, 11219310, 12715218, 14128020, 19072827, 20076660, 21192030, 22438620, 25430436, 31788045, 38145654, 42384060, 63576090, 76291308, 95364135, 127152180, 190728270, 381456540]

約数ペア:

[(1, 381456540), (2, 190728270), (3, 127152180), (4, 95364135), (5, 76291308), (6, 63576090), (9, 42384060), (10, 38145654), (12, 31788045), (15, 25430436), (17, 22438620), (18, 21192030), (19, 20076660), (20, 19072827), (27, 14128020), (30, 12715218), (34, 11219310), (36, 10596015), (38, 10038330), (45, 8476812), (51, 7479540), (54, 7064010), (57, 6692220), (60, 6357609), (68, 5609655), (76, 5019165), (81, 4709340), (85, 4487724), (90, 4238406), (95, 4015332), (102, 3739770), (108, 3532005), (114, 3346110), (135, 2825604), (153, 2493180), (162, 2354670), (170, 2243862), (171, 2230740), (180, 2119203), (190, 2007666), (204, 1869885), (228, 1673055), (243, 1569780), (255, 1495908), (270, 1412802), (285, 1338444), (306, 1246590), (323, 1180980), (324, 1177335), (340, 1121931), (342, 1115370), (380, 1003833), (405, 941868), (459, 831060), (486, 784890), (510, 747954), (513, 743580), (540, 706401), (570, 669222), (612, 623295), (646, 590490), (684, 557685), (729, 523260), (765, 498636), (810, 470934), (855, 446148), (918, 415530), (969, 393660), (972, 392445), (1020, 373977), (1026, 371790), (1140, 334611), (1215, 313956), (1292, 295245), (1377, 277020), (1458, 261630), (1530, 249318), (1539, 247860), (1615, 236196), (1620, 235467), (1710, 223074), (1836, 207765), (1938, 196830), (2052, 185895), (2187, 174420), (2295, 166212), (2430, 156978), (2565, 148716), (2754, 138510), (2907, 131220), (2916, 130815), (3060, 124659), (3078, 123930), (3230, 118098), (3420, 111537), (3645, 104652), (3876, 98415), (4131, 92340), (4374, 87210), (4590, 83106), (4617, 82620), (4845, 78732), (4860, 78489), (5130, 74358), (5508, 69255), (5814, 65610), (6156, 61965), (6460, 59049), (6561, 58140), (6885, 55404), (7290, 52326), (7695, 49572), (8262, 46170), (8721, 43740), (8748, 43605), (9180, 41553), (9234, 41310), (9690, 39366), (10260, 37179), (10935, 34884), (11628, 32805), (12393, 30780), (13122, 29070), (13770, 27702), (13851, 27540), (14535, 26244), (14580, 26163), (15390, 24786), (16524, 23085), (17442, 21870), (18468, 20655), (19380, 19683)]