139534720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:604

約数の個数: 128

約数和(自身を含む): 371508480

約数和(自身を除く): 231973760

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, 541, 620, 640, 806, 832, 992, 1040, 1082, 1240, 1612, 1664, 1984, 2015, 2080, 2164, 2480, 2705, 3224, 3968, 4030, 4160, 4328, 4960, 5410, 6448, 7033, 8060, 8320, 8656, 9920, 10820, 12896, 14066, 16120, 16771, 17312, 19840, 21640, 25792, 28132, 32240, 33542, 34624, 35165, 43280, 51584, 56264, 64480, 67084, 69248, 70330, 83855, 86560, 112528, 128960, 134168, 140660, 167710, 173120, 218023, 225056, 257920, 268336, 281320, 335420, 346240, 436046, 450112, 536672, 562640, 670840, 872092, 900224, 1073344, 1090115, 1125280, 1341680, 1744184, 2146688, 2180230, 2250560, 2683360, 3488368, 4360460, 4501120, 5366720, 6976736, 8720920, 10733440, 13953472, 17441840, 27906944, 34883680, 69767360, 139534720]

約数ペア:

[(1, 139534720), (2, 69767360), (4, 34883680), (5, 27906944), (8, 17441840), (10, 13953472), (13, 10733440), (16, 8720920), (20, 6976736), (26, 5366720), (31, 4501120), (32, 4360460), (40, 3488368), (52, 2683360), (62, 2250560), (64, 2180230), (65, 2146688), (80, 1744184), (104, 1341680), (124, 1125280), (128, 1090115), (130, 1073344), (155, 900224), (160, 872092), (208, 670840), (248, 562640), (260, 536672), (310, 450112), (320, 436046), (403, 346240), (416, 335420), (496, 281320), (520, 268336), (541, 257920), (620, 225056), (640, 218023), (806, 173120), (832, 167710), (992, 140660), (1040, 134168), (1082, 128960), (1240, 112528), (1612, 86560), (1664, 83855), (1984, 70330), (2015, 69248), (2080, 67084), (2164, 64480), (2480, 56264), (2705, 51584), (3224, 43280), (3968, 35165), (4030, 34624), (4160, 33542), (4328, 32240), (4960, 28132), (5410, 25792), (6448, 21640), (7033, 19840), (8060, 17312), (8320, 16771), (8656, 16120), (9920, 14066), (10820, 12896)]