51351720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 177949440

約数和(自身を除く): 126597720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 113, 120, 140, 168, 210, 226, 280, 339, 420, 452, 541, 565, 678, 791, 840, 904, 1082, 1130, 1356, 1582, 1623, 1695, 2164, 2260, 2373, 2705, 2712, 3164, 3246, 3390, 3787, 3955, 4328, 4520, 4746, 5410, 6328, 6492, 6780, 7574, 7910, 8115, 9492, 10820, 11361, 11865, 12984, 13560, 15148, 15820, 16230, 18935, 18984, 21640, 22722, 23730, 30296, 31640, 32460, 37870, 45444, 47460, 56805, 61133, 64920, 75740, 90888, 94920, 113610, 122266, 151480, 183399, 227220, 244532, 305665, 366798, 427931, 454440, 489064, 611330, 733596, 855862, 916995, 1222660, 1283793, 1467192, 1711724, 1833990, 2139655, 2445320, 2567586, 3423448, 3667980, 4279310, 5135172, 6418965, 7335960, 8558620, 10270344, 12837930, 17117240, 25675860, 51351720]

約数ペア:

[(1, 51351720), (2, 25675860), (3, 17117240), (4, 12837930), (5, 10270344), (6, 8558620), (7, 7335960), (8, 6418965), (10, 5135172), (12, 4279310), (14, 3667980), (15, 3423448), (20, 2567586), (21, 2445320), (24, 2139655), (28, 1833990), (30, 1711724), (35, 1467192), (40, 1283793), (42, 1222660), (56, 916995), (60, 855862), (70, 733596), (84, 611330), (105, 489064), (113, 454440), (120, 427931), (140, 366798), (168, 305665), (210, 244532), (226, 227220), (280, 183399), (339, 151480), (420, 122266), (452, 113610), (541, 94920), (565, 90888), (678, 75740), (791, 64920), (840, 61133), (904, 56805), (1082, 47460), (1130, 45444), (1356, 37870), (1582, 32460), (1623, 31640), (1695, 30296), (2164, 23730), (2260, 22722), (2373, 21640), (2705, 18984), (2712, 18935), (3164, 16230), (3246, 15820), (3390, 15148), (3787, 13560), (3955, 12984), (4328, 11865), (4520, 11361), (4746, 10820), (5410, 9492), (6328, 8115), (6492, 7910), (6780, 7574)]