817117840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 240

約数和(自身を含む): 2469841920

約数和(自身を除く): 1652724080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 121, 124, 140, 154, 155, 176, 217, 220, 242, 248, 280, 308, 310, 341, 385, 389, 434, 440, 484, 496, 560, 605, 616, 620, 682, 770, 778, 847, 868, 880, 968, 1085, 1210, 1232, 1240, 1364, 1540, 1556, 1694, 1705, 1736, 1936, 1945, 2170, 2387, 2420, 2480, 2723, 2728, 3080, 3112, 3388, 3410, 3472, 3751, 3890, 4235, 4279, 4340, 4774, 4840, 5446, 5456, 6160, 6224, 6776, 6820, 7502, 7780, 8470, 8558, 8680, 9548, 9680, 10892, 11935, 12059, 13552, 13615, 13640, 15004, 15560, 16940, 17116, 17360, 18755, 19096, 21395, 21784, 23870, 24118, 26257, 27230, 27280, 29953, 30008, 31120, 33880, 34232, 37510, 38192, 42790, 43568, 47069, 47740, 48236, 52514, 54460, 59906, 60016, 60295, 67760, 68464, 75020, 84413, 85580, 94138, 95480, 96472, 105028, 108920, 119812, 120590, 131285, 132649, 149765, 150040, 168826, 171160, 188276, 190960, 192944, 210056, 217840, 235345, 239624, 241180, 262570, 265298, 299530, 300080, 329483, 337652, 342320, 376552, 420112, 422065, 470690, 479248, 482360, 525140, 530596, 599060, 658966, 663245, 675304, 753104, 844130, 928543, 941380, 964720, 1050280, 1061192, 1198120, 1317932, 1326490, 1350608, 1459139, 1647415, 1688260, 1857086, 1882760, 2100560, 2122384, 2396240, 2635864, 2652980, 2918278, 3294830, 3376520, 3714172, 3765520, 4642715, 5271728, 5305960, 5836556, 6589660, 6753040, 7295695, 7428344, 9285430, 10213973, 10611920, 11673112, 13179320, 14591390, 14856688, 18570860, 20427946, 23346224, 26358640, 29182780, 37141720, 40855892, 51069865, 58365560, 74283440, 81711784, 102139730, 116731120, 163423568, 204279460, 408558920, 817117840]

約数ペア:

[(1, 817117840), (2, 408558920), (4, 204279460), (5, 163423568), (7, 116731120), (8, 102139730), (10, 81711784), (11, 74283440), (14, 58365560), (16, 51069865), (20, 40855892), (22, 37141720), (28, 29182780), (31, 26358640), (35, 23346224), (40, 20427946), (44, 18570860), (55, 14856688), (56, 14591390), (62, 13179320), (70, 11673112), (77, 10611920), (80, 10213973), (88, 9285430), (110, 7428344), (112, 7295695), (121, 6753040), (124, 6589660), (140, 5836556), (154, 5305960), (155, 5271728), (176, 4642715), (217, 3765520), (220, 3714172), (242, 3376520), (248, 3294830), (280, 2918278), (308, 2652980), (310, 2635864), (341, 2396240), (385, 2122384), (389, 2100560), (434, 1882760), (440, 1857086), (484, 1688260), (496, 1647415), (560, 1459139), (605, 1350608), (616, 1326490), (620, 1317932), (682, 1198120), (770, 1061192), (778, 1050280), (847, 964720), (868, 941380), (880, 928543), (968, 844130), (1085, 753104), (1210, 675304), (1232, 663245), (1240, 658966), (1364, 599060), (1540, 530596), (1556, 525140), (1694, 482360), (1705, 479248), (1736, 470690), (1936, 422065), (1945, 420112), (2170, 376552), (2387, 342320), (2420, 337652), (2480, 329483), (2723, 300080), (2728, 299530), (3080, 265298), (3112, 262570), (3388, 241180), (3410, 239624), (3472, 235345), (3751, 217840), (3890, 210056), (4235, 192944), (4279, 190960), (4340, 188276), (4774, 171160), (4840, 168826), (5446, 150040), (5456, 149765), (6160, 132649), (6224, 131285), (6776, 120590), (6820, 119812), (7502, 108920), (7780, 105028), (8470, 96472), (8558, 95480), (8680, 94138), (9548, 85580), (9680, 84413), (10892, 75020), (11935, 68464), (12059, 67760), (13552, 60295), (13615, 60016), (13640, 59906), (15004, 54460), (15560, 52514), (16940, 48236), (17116, 47740), (17360, 47069), (18755, 43568), (19096, 42790), (21395, 38192), (21784, 37510), (23870, 34232), (24118, 33880), (26257, 31120), (27230, 30008), (27280, 29953)]