257581170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 288

約数和(自身を含む): 876395520

約数和(自身を除く): 618814350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 31, 33, 35, 42, 45, 55, 62, 63, 66, 70, 77, 90, 93, 99, 105, 109, 110, 121, 126, 154, 155, 165, 186, 198, 210, 217, 218, 231, 242, 279, 310, 315, 327, 330, 341, 363, 385, 434, 462, 465, 495, 545, 558, 605, 630, 651, 654, 682, 693, 726, 763, 770, 847, 930, 981, 990, 1023, 1085, 1089, 1090, 1155, 1199, 1210, 1302, 1386, 1395, 1526, 1635, 1694, 1705, 1815, 1953, 1962, 2046, 2170, 2178, 2289, 2310, 2387, 2398, 2541, 2790, 3069, 3255, 3270, 3379, 3410, 3465, 3597, 3630, 3751, 3815, 3906, 4235, 4578, 4774, 4905, 5082, 5115, 5445, 5995, 6138, 6510, 6758, 6867, 6930, 7161, 7194, 7502, 7623, 7630, 8393, 8470, 9765, 9810, 10137, 10230, 10791, 10890, 11253, 11445, 11935, 11990, 12705, 13189, 13734, 14322, 15246, 15345, 16786, 16895, 17985, 18755, 19530, 20274, 21483, 21582, 22506, 22890, 23653, 23870, 25179, 25410, 26257, 26378, 30411, 30690, 33759, 33790, 34335, 35805, 35970, 37169, 37510, 38115, 39567, 41965, 42966, 47306, 50358, 50685, 52514, 53955, 56265, 60822, 65945, 67518, 68670, 70959, 71610, 74338, 75537, 76230, 78771, 79134, 83930, 92323, 101370, 107415, 107910, 111507, 112530, 118265, 118701, 125895, 131285, 131890, 141918, 151074, 152055, 157542, 168795, 184646, 185845, 197835, 212877, 214830, 223014, 236313, 236530, 237402, 251790, 260183, 262570, 276969, 304110, 334521, 337590, 354795, 371690, 377685, 393855, 395670, 408859, 425754, 461615, 472626, 520366, 553938, 557535, 593505, 669042, 709590, 755370, 780549, 787710, 817718, 830907, 923230, 1064385, 1115070, 1181565, 1187010, 1226577, 1300915, 1384845, 1561098, 1661814, 1672605, 2044295, 2128770, 2341647, 2363130, 2453154, 2601830, 2769690, 2862013, 3345210, 3679731, 3902745, 4088590, 4154535, 4683294, 5724026, 6132885, 7359462, 7805490, 8309070, 8586039, 11708235, 12265770, 14310065, 17172078, 18398655, 23416470, 25758117, 28620130, 36797310, 42930195, 51516234, 85860390, 128790585, 257581170]

約数ペア:

[(1, 257581170), (2, 128790585), (3, 85860390), (5, 51516234), (6, 42930195), (7, 36797310), (9, 28620130), (10, 25758117), (11, 23416470), (14, 18398655), (15, 17172078), (18, 14310065), (21, 12265770), (22, 11708235), (30, 8586039), (31, 8309070), (33, 7805490), (35, 7359462), (42, 6132885), (45, 5724026), (55, 4683294), (62, 4154535), (63, 4088590), (66, 3902745), (70, 3679731), (77, 3345210), (90, 2862013), (93, 2769690), (99, 2601830), (105, 2453154), (109, 2363130), (110, 2341647), (121, 2128770), (126, 2044295), (154, 1672605), (155, 1661814), (165, 1561098), (186, 1384845), (198, 1300915), (210, 1226577), (217, 1187010), (218, 1181565), (231, 1115070), (242, 1064385), (279, 923230), (310, 830907), (315, 817718), (327, 787710), (330, 780549), (341, 755370), (363, 709590), (385, 669042), (434, 593505), (462, 557535), (465, 553938), (495, 520366), (545, 472626), (558, 461615), (605, 425754), (630, 408859), (651, 395670), (654, 393855), (682, 377685), (693, 371690), (726, 354795), (763, 337590), (770, 334521), (847, 304110), (930, 276969), (981, 262570), (990, 260183), (1023, 251790), (1085, 237402), (1089, 236530), (1090, 236313), (1155, 223014), (1199, 214830), (1210, 212877), (1302, 197835), (1386, 185845), (1395, 184646), (1526, 168795), (1635, 157542), (1694, 152055), (1705, 151074), (1815, 141918), (1953, 131890), (1962, 131285), (2046, 125895), (2170, 118701), (2178, 118265), (2289, 112530), (2310, 111507), (2387, 107910), (2398, 107415), (2541, 101370), (2790, 92323), (3069, 83930), (3255, 79134), (3270, 78771), (3379, 76230), (3410, 75537), (3465, 74338), (3597, 71610), (3630, 70959), (3751, 68670), (3815, 67518), (3906, 65945), (4235, 60822), (4578, 56265), (4774, 53955), (4905, 52514), (5082, 50685), (5115, 50358), (5445, 47306), (5995, 42966), (6138, 41965), (6510, 39567), (6758, 38115), (6867, 37510), (6930, 37169), (7161, 35970), (7194, 35805), (7502, 34335), (7623, 33790), (7630, 33759), (8393, 30690), (8470, 30411), (9765, 26378), (9810, 26257), (10137, 25410), (10230, 25179), (10791, 23870), (10890, 23653), (11253, 22890), (11445, 22506), (11935, 21582), (11990, 21483), (12705, 20274), (13189, 19530), (13734, 18755), (14322, 17985), (15246, 16895), (15345, 16786)]