1272964160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9871}}^1$

素因数の和:9932

約数の個数: 112

約数和(自身を含む): 3370063872

約数和(自身を除く): 2097099712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 6448, 8060, 9871, 9920, 12896, 16120, 19742, 25792, 32240, 39484, 49355, 64480, 78968, 98710, 128323, 128960, 157936, 197420, 256646, 306001, 315872, 394840, 513292, 612002, 631744, 641615, 789680, 1026584, 1224004, 1283230, 1530005, 1579360, 2053168, 2448008, 2566460, 3060010, 3158720, 3978013, 4106336, 4896016, 5132920, 6120020, 7956026, 8212672, 9792032, 10265840, 12240040, 15912052, 19584064, 19890065, 20531680, 24480080, 31824104, 39780130, 41063360, 48960160, 63648208, 79560260, 97920320, 127296416, 159120520, 254592832, 318241040, 636482080, 1272964160]

約数ペア:

[(1, 1272964160), (2, 636482080), (4, 318241040), (5, 254592832), (8, 159120520), (10, 127296416), (13, 97920320), (16, 79560260), (20, 63648208), (26, 48960160), (31, 41063360), (32, 39780130), (40, 31824104), (52, 24480080), (62, 20531680), (64, 19890065), (65, 19584064), (80, 15912052), (104, 12240040), (124, 10265840), (130, 9792032), (155, 8212672), (160, 7956026), (208, 6120020), (248, 5132920), (260, 4896016), (310, 4106336), (320, 3978013), (403, 3158720), (416, 3060010), (496, 2566460), (520, 2448008), (620, 2053168), (806, 1579360), (832, 1530005), (992, 1283230), (1040, 1224004), (1240, 1026584), (1612, 789680), (1984, 641615), (2015, 631744), (2080, 612002), (2480, 513292), (3224, 394840), (4030, 315872), (4160, 306001), (4960, 256646), (6448, 197420), (8060, 157936), (9871, 128960), (9920, 128323), (12896, 98710), (16120, 78968), (19742, 64480), (25792, 49355), (32240, 39484)]