408740280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{547}}^1$

素因数の和:1053

約数の個数: 128

約数和(自身を含む): 1325721600

約数和(自身を除く): 916981320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 479, 520, 547, 780, 958, 1094, 1437, 1560, 1641, 1916, 2188, 2395, 2735, 2874, 3282, 3832, 4376, 4790, 5470, 5748, 6227, 6564, 7111, 7185, 8205, 9580, 10940, 11496, 12454, 13128, 14222, 14370, 16410, 18681, 19160, 21333, 21880, 24908, 28444, 28740, 31135, 32820, 35555, 37362, 42666, 49816, 56888, 57480, 62270, 65640, 71110, 74724, 85332, 93405, 106665, 124540, 142220, 149448, 170664, 186810, 213330, 249080, 262013, 284440, 373620, 426660, 524026, 747240, 786039, 853320, 1048052, 1310065, 1572078, 2096104, 2620130, 3144156, 3406169, 3930195, 5240260, 6288312, 6812338, 7860390, 10218507, 10480520, 13624676, 15720780, 17030845, 20437014, 27249352, 31441560, 34061690, 40874028, 51092535, 68123380, 81748056, 102185070, 136246760, 204370140, 408740280]

約数ペア:

[(1, 408740280), (2, 204370140), (3, 136246760), (4, 102185070), (5, 81748056), (6, 68123380), (8, 51092535), (10, 40874028), (12, 34061690), (13, 31441560), (15, 27249352), (20, 20437014), (24, 17030845), (26, 15720780), (30, 13624676), (39, 10480520), (40, 10218507), (52, 7860390), (60, 6812338), (65, 6288312), (78, 5240260), (104, 3930195), (120, 3406169), (130, 3144156), (156, 2620130), (195, 2096104), (260, 1572078), (312, 1310065), (390, 1048052), (479, 853320), (520, 786039), (547, 747240), (780, 524026), (958, 426660), (1094, 373620), (1437, 284440), (1560, 262013), (1641, 249080), (1916, 213330), (2188, 186810), (2395, 170664), (2735, 149448), (2874, 142220), (3282, 124540), (3832, 106665), (4376, 93405), (4790, 85332), (5470, 74724), (5748, 71110), (6227, 65640), (6564, 62270), (7111, 57480), (7185, 56888), (8205, 49816), (9580, 42666), (10940, 37362), (11496, 35555), (12454, 32820), (13128, 31135), (14222, 28740), (14370, 28444), (16410, 24908), (18681, 21880), (19160, 21333)]