427373440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1720

約数の個数: 128

約数和(自身を含む): 1136459520

約数和(自身を除く): 709086080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1612, 1657, 1664, 1984, 2015, 2080, 2480, 3224, 3314, 3968, 4030, 4160, 4960, 6448, 6628, 8060, 8285, 8320, 9920, 12896, 13256, 16120, 16570, 19840, 21541, 25792, 26512, 32240, 33140, 43082, 51367, 51584, 53024, 64480, 66280, 86164, 102734, 106048, 107705, 128960, 132560, 172328, 205468, 212096, 215410, 256835, 257920, 265120, 344656, 410936, 430820, 513670, 530240, 667771, 689312, 821872, 861640, 1027340, 1060480, 1335542, 1378624, 1643744, 1723280, 2054680, 2671084, 2757248, 3287488, 3338855, 3446560, 4109360, 5342168, 6574976, 6677710, 6893120, 8218720, 10684336, 13355420, 13786240, 16437440, 21368672, 26710840, 32874880, 42737344, 53421680, 85474688, 106843360, 213686720, 427373440]

約数ペア:

[(1, 427373440), (2, 213686720), (4, 106843360), (5, 85474688), (8, 53421680), (10, 42737344), (13, 32874880), (16, 26710840), (20, 21368672), (26, 16437440), (31, 13786240), (32, 13355420), (40, 10684336), (52, 8218720), (62, 6893120), (64, 6677710), (65, 6574976), (80, 5342168), (104, 4109360), (124, 3446560), (128, 3338855), (130, 3287488), (155, 2757248), (160, 2671084), (208, 2054680), (248, 1723280), (260, 1643744), (310, 1378624), (320, 1335542), (403, 1060480), (416, 1027340), (496, 861640), (520, 821872), (620, 689312), (640, 667771), (806, 530240), (832, 513670), (992, 430820), (1040, 410936), (1240, 344656), (1612, 265120), (1657, 257920), (1664, 256835), (1984, 215410), (2015, 212096), (2080, 205468), (2480, 172328), (3224, 132560), (3314, 128960), (3968, 107705), (4030, 106048), (4160, 102734), (4960, 86164), (6448, 66280), (6628, 64480), (8060, 53024), (8285, 51584), (8320, 51367), (9920, 43082), (12896, 33140), (13256, 32240), (16120, 26512), (16570, 25792), (19840, 21541)]