127678720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7673}}^1$

素因数の和:7707

約数の個数: 72

約数和(自身を含む): 329398776

約数和(自身を除く): 201720056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 7673, 8320, 15346, 16640, 30692, 38365, 61384, 76730, 99749, 122768, 153460, 199498, 245536, 306920, 398996, 491072, 498745, 613840, 797992, 982144, 997490, 1227680, 1595984, 1964288, 1994980, 2455360, 3191968, 3989960, 4910720, 6383936, 7979920, 9821440, 12767872, 15959840, 25535744, 31919680, 63839360, 127678720]

約数ペア:

[(1, 127678720), (2, 63839360), (4, 31919680), (5, 25535744), (8, 15959840), (10, 12767872), (13, 9821440), (16, 7979920), (20, 6383936), (26, 4910720), (32, 3989960), (40, 3191968), (52, 2455360), (64, 1994980), (65, 1964288), (80, 1595984), (104, 1227680), (128, 997490), (130, 982144), (160, 797992), (208, 613840), (256, 498745), (260, 491072), (320, 398996), (416, 306920), (520, 245536), (640, 199498), (832, 153460), (1040, 122768), (1280, 99749), (1664, 76730), (2080, 61384), (3328, 38365), (4160, 30692), (7673, 16640), (8320, 15346)]