31051020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 288

約数和(自身を含む): 120121344

約数和(自身を除く): 89070324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 47, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 94, 105, 110, 121, 130, 132, 140, 141, 143, 154, 156, 165, 182, 188, 195, 210, 220, 231, 235, 242, 260, 273, 282, 286, 308, 329, 330, 363, 364, 385, 390, 420, 429, 455, 462, 470, 484, 517, 546, 564, 572, 605, 611, 658, 660, 705, 715, 726, 770, 780, 847, 858, 910, 924, 940, 987, 1001, 1034, 1092, 1155, 1210, 1222, 1316, 1365, 1410, 1430, 1452, 1540, 1551, 1573, 1645, 1694, 1716, 1815, 1820, 1833, 1974, 2002, 2068, 2145, 2310, 2420, 2444, 2541, 2585, 2730, 2820, 2860, 3003, 3055, 3102, 3146, 3290, 3388, 3619, 3630, 3666, 3948, 4004, 4235, 4277, 4290, 4620, 4719, 4935, 5005, 5082, 5170, 5460, 5687, 6006, 6110, 6204, 6292, 6580, 6721, 7238, 7260, 7332, 7755, 7865, 8470, 8554, 8580, 9165, 9438, 9870, 10010, 10164, 10340, 10857, 11011, 11374, 12012, 12220, 12705, 12831, 13442, 14476, 15015, 15510, 15730, 16940, 17061, 17108, 18095, 18330, 18876, 19740, 20020, 20163, 21385, 21714, 22022, 22748, 23595, 25410, 25662, 26884, 28435, 30030, 31020, 31460, 33033, 33605, 34122, 36190, 36660, 39809, 40326, 42770, 43428, 44044, 47047, 47190, 50820, 51324, 54285, 55055, 56870, 60060, 64155, 66066, 67210, 68244, 72380, 73931, 79618, 80652, 85305, 85540, 94094, 94380, 100815, 108570, 110110, 113740, 119427, 128310, 132132, 134420, 141141, 147862, 159236, 165165, 170610, 188188, 199045, 201630, 217140, 220220, 221793, 235235, 238854, 256620, 282282, 295724, 330330, 341220, 369655, 398090, 403260, 443586, 470470, 477708, 517517, 564564, 597135, 660660, 705705, 739310, 796180, 887172, 940940, 1035034, 1108965, 1194270, 1411410, 1478620, 1552551, 2070068, 2217930, 2388540, 2587585, 2822820, 3105102, 4435860, 5175170, 6210204, 7762755, 10350340, 15525510, 31051020]

約数ペア:

[(1, 31051020), (2, 15525510), (3, 10350340), (4, 7762755), (5, 6210204), (6, 5175170), (7, 4435860), (10, 3105102), (11, 2822820), (12, 2587585), (13, 2388540), (14, 2217930), (15, 2070068), (20, 1552551), (21, 1478620), (22, 1411410), (26, 1194270), (28, 1108965), (30, 1035034), (33, 940940), (35, 887172), (39, 796180), (42, 739310), (44, 705705), (47, 660660), (52, 597135), (55, 564564), (60, 517517), (65, 477708), (66, 470470), (70, 443586), (77, 403260), (78, 398090), (84, 369655), (91, 341220), (94, 330330), (105, 295724), (110, 282282), (121, 256620), (130, 238854), (132, 235235), (140, 221793), (141, 220220), (143, 217140), (154, 201630), (156, 199045), (165, 188188), (182, 170610), (188, 165165), (195, 159236), (210, 147862), (220, 141141), (231, 134420), (235, 132132), (242, 128310), (260, 119427), (273, 113740), (282, 110110), (286, 108570), (308, 100815), (329, 94380), (330, 94094), (363, 85540), (364, 85305), (385, 80652), (390, 79618), (420, 73931), (429, 72380), (455, 68244), (462, 67210), (470, 66066), (484, 64155), (517, 60060), (546, 56870), (564, 55055), (572, 54285), (605, 51324), (611, 50820), (658, 47190), (660, 47047), (705, 44044), (715, 43428), (726, 42770), (770, 40326), (780, 39809), (847, 36660), (858, 36190), (910, 34122), (924, 33605), (940, 33033), (987, 31460), (1001, 31020), (1034, 30030), (1092, 28435), (1155, 26884), (1210, 25662), (1222, 25410), (1316, 23595), (1365, 22748), (1410, 22022), (1430, 21714), (1452, 21385), (1540, 20163), (1551, 20020), (1573, 19740), (1645, 18876), (1694, 18330), (1716, 18095), (1815, 17108), (1820, 17061), (1833, 16940), (1974, 15730), (2002, 15510), (2068, 15015), (2145, 14476), (2310, 13442), (2420, 12831), (2444, 12705), (2541, 12220), (2585, 12012), (2730, 11374), (2820, 11011), (2860, 10857), (3003, 10340), (3055, 10164), (3102, 10010), (3146, 9870), (3290, 9438), (3388, 9165), (3619, 8580), (3630, 8554), (3666, 8470), (3948, 7865), (4004, 7755), (4235, 7332), (4277, 7260), (4290, 7238), (4620, 6721), (4719, 6580), (4935, 6292), (5005, 6204), (5082, 6110), (5170, 6006), (5460, 5687)]