1555257920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:461

約数の個数: 224

約数和(自身を含む): 4239889920

約数和(自身を除く): 2684632000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 41, 64, 68, 76, 80, 82, 85, 95, 136, 152, 160, 164, 170, 190, 205, 272, 304, 320, 323, 328, 340, 367, 380, 410, 544, 608, 646, 656, 680, 697, 734, 760, 779, 820, 1088, 1216, 1292, 1312, 1360, 1394, 1468, 1520, 1558, 1615, 1640, 1835, 2584, 2624, 2720, 2788, 2936, 3040, 3116, 3230, 3280, 3485, 3670, 3895, 5168, 5440, 5576, 5872, 6080, 6232, 6239, 6460, 6560, 6970, 6973, 7340, 7790, 10336, 11152, 11744, 12464, 12478, 12920, 13120, 13243, 13940, 13946, 14680, 15047, 15580, 20672, 22304, 23488, 24928, 24956, 25840, 26486, 27880, 27892, 29360, 30094, 31160, 31195, 34865, 44608, 49856, 49912, 51680, 52972, 55760, 55784, 58720, 60188, 62320, 62390, 66215, 69730, 75235, 99824, 103360, 105944, 111520, 111568, 117440, 118541, 120376, 124640, 124780, 132430, 139460, 150470, 199648, 211888, 223040, 223136, 237082, 240752, 249280, 249560, 255799, 264860, 278920, 285893, 300940, 399296, 423776, 446272, 474164, 481504, 499120, 511598, 529720, 557840, 571786, 592705, 601880, 847552, 948328, 963008, 998240, 1023196, 1059440, 1115680, 1143572, 1185410, 1203760, 1278995, 1429465, 1896656, 1996480, 2046392, 2118880, 2231360, 2287144, 2370820, 2407520, 2557990, 2858930, 3793312, 4092784, 4237760, 4574288, 4741640, 4815040, 4860181, 5115980, 5717860, 7586624, 8185568, 9148576, 9483280, 9720362, 10231960, 11435720, 16371136, 18297152, 18966560, 19440724, 20463920, 22871440, 24300905, 37933120, 38881448, 40927840, 45742880, 48601810, 77762896, 81855680, 91485760, 97203620, 155525792, 194407240, 311051584, 388814480, 777628960, 1555257920]

約数ペア:

[(1, 1555257920), (2, 777628960), (4, 388814480), (5, 311051584), (8, 194407240), (10, 155525792), (16, 97203620), (17, 91485760), (19, 81855680), (20, 77762896), (32, 48601810), (34, 45742880), (38, 40927840), (40, 38881448), (41, 37933120), (64, 24300905), (68, 22871440), (76, 20463920), (80, 19440724), (82, 18966560), (85, 18297152), (95, 16371136), (136, 11435720), (152, 10231960), (160, 9720362), (164, 9483280), (170, 9148576), (190, 8185568), (205, 7586624), (272, 5717860), (304, 5115980), (320, 4860181), (323, 4815040), (328, 4741640), (340, 4574288), (367, 4237760), (380, 4092784), (410, 3793312), (544, 2858930), (608, 2557990), (646, 2407520), (656, 2370820), (680, 2287144), (697, 2231360), (734, 2118880), (760, 2046392), (779, 1996480), (820, 1896656), (1088, 1429465), (1216, 1278995), (1292, 1203760), (1312, 1185410), (1360, 1143572), (1394, 1115680), (1468, 1059440), (1520, 1023196), (1558, 998240), (1615, 963008), (1640, 948328), (1835, 847552), (2584, 601880), (2624, 592705), (2720, 571786), (2788, 557840), (2936, 529720), (3040, 511598), (3116, 499120), (3230, 481504), (3280, 474164), (3485, 446272), (3670, 423776), (3895, 399296), (5168, 300940), (5440, 285893), (5576, 278920), (5872, 264860), (6080, 255799), (6232, 249560), (6239, 249280), (6460, 240752), (6560, 237082), (6970, 223136), (6973, 223040), (7340, 211888), (7790, 199648), (10336, 150470), (11152, 139460), (11744, 132430), (12464, 124780), (12478, 124640), (12920, 120376), (13120, 118541), (13243, 117440), (13940, 111568), (13946, 111520), (14680, 105944), (15047, 103360), (15580, 99824), (20672, 75235), (22304, 69730), (23488, 66215), (24928, 62390), (24956, 62320), (25840, 60188), (26486, 58720), (27880, 55784), (27892, 55760), (29360, 52972), (30094, 51680), (31160, 49912), (31195, 49856), (34865, 44608)]