420474780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1097

約数の個数: 192

約数和(自身を含む): 1448616960

約数和(自身を除く): 1028142180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 71, 90, 99, 108, 110, 132, 135, 142, 165, 180, 198, 213, 220, 270, 284, 297, 330, 355, 396, 426, 495, 540, 594, 639, 660, 710, 781, 852, 990, 997, 1065, 1188, 1278, 1420, 1485, 1562, 1917, 1980, 1994, 2130, 2343, 2556, 2970, 2991, 3124, 3195, 3834, 3905, 3988, 4260, 4686, 4985, 5940, 5982, 6390, 7029, 7668, 7810, 8973, 9372, 9585, 9970, 10967, 11715, 11964, 12780, 14058, 14955, 15620, 17946, 19170, 19940, 21087, 21934, 23430, 26919, 28116, 29910, 32901, 35145, 35892, 38340, 42174, 43868, 44865, 46860, 53838, 54835, 59820, 65802, 70290, 70787, 84348, 89730, 98703, 105435, 107676, 109670, 131604, 134595, 140580, 141574, 164505, 179460, 197406, 210870, 212361, 219340, 269190, 283148, 296109, 329010, 353935, 394812, 421740, 424722, 493515, 538380, 592218, 637083, 658020, 707870, 778657, 849444, 987030, 1061805, 1184436, 1274166, 1415740, 1480545, 1557314, 1911249, 1974060, 2123610, 2335971, 2548332, 2961090, 3114628, 3185415, 3822498, 3893285, 4247220, 4671942, 5922180, 6370830, 7007913, 7644996, 7786570, 9343884, 9556245, 11679855, 12741660, 14015826, 15573140, 19112490, 21023739, 23359710, 28031652, 35039565, 38224980, 42047478, 46719420, 70079130, 84094956, 105118695, 140158260, 210237390, 420474780]

約数ペア:

[(1, 420474780), (2, 210237390), (3, 140158260), (4, 105118695), (5, 84094956), (6, 70079130), (9, 46719420), (10, 42047478), (11, 38224980), (12, 35039565), (15, 28031652), (18, 23359710), (20, 21023739), (22, 19112490), (27, 15573140), (30, 14015826), (33, 12741660), (36, 11679855), (44, 9556245), (45, 9343884), (54, 7786570), (55, 7644996), (60, 7007913), (66, 6370830), (71, 5922180), (90, 4671942), (99, 4247220), (108, 3893285), (110, 3822498), (132, 3185415), (135, 3114628), (142, 2961090), (165, 2548332), (180, 2335971), (198, 2123610), (213, 1974060), (220, 1911249), (270, 1557314), (284, 1480545), (297, 1415740), (330, 1274166), (355, 1184436), (396, 1061805), (426, 987030), (495, 849444), (540, 778657), (594, 707870), (639, 658020), (660, 637083), (710, 592218), (781, 538380), (852, 493515), (990, 424722), (997, 421740), (1065, 394812), (1188, 353935), (1278, 329010), (1420, 296109), (1485, 283148), (1562, 269190), (1917, 219340), (1980, 212361), (1994, 210870), (2130, 197406), (2343, 179460), (2556, 164505), (2970, 141574), (2991, 140580), (3124, 134595), (3195, 131604), (3834, 109670), (3905, 107676), (3988, 105435), (4260, 98703), (4686, 89730), (4985, 84348), (5940, 70787), (5982, 70290), (6390, 65802), (7029, 59820), (7668, 54835), (7810, 53838), (8973, 46860), (9372, 44865), (9585, 43868), (9970, 42174), (10967, 38340), (11715, 35892), (11964, 35145), (12780, 32901), (14058, 29910), (14955, 28116), (15620, 26919), (17946, 23430), (19170, 21934), (19940, 21087)]