56740540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 129322368

約数和(自身を除く): 72581828

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 173, 230, 310, 346, 460, 529, 620, 692, 713, 865, 1058, 1426, 1730, 2116, 2645, 2852, 3460, 3565, 3979, 5290, 5363, 7130, 7958, 10580, 10726, 14260, 15916, 16399, 19895, 21452, 26815, 32798, 39790, 53630, 65596, 79580, 81995, 91517, 107260, 123349, 163990, 183034, 246698, 327980, 366068, 457585, 493396, 616745, 915170, 1233490, 1830340, 2466980, 2837027, 5674054, 11348108, 14185135, 28370270, 56740540]

約数ペア:

[(1, 56740540), (2, 28370270), (4, 14185135), (5, 11348108), (10, 5674054), (20, 2837027), (23, 2466980), (31, 1830340), (46, 1233490), (62, 915170), (92, 616745), (115, 493396), (124, 457585), (155, 366068), (173, 327980), (230, 246698), (310, 183034), (346, 163990), (460, 123349), (529, 107260), (620, 91517), (692, 81995), (713, 79580), (865, 65596), (1058, 53630), (1426, 39790), (1730, 32798), (2116, 26815), (2645, 21452), (2852, 19895), (3460, 16399), (3565, 15916), (3979, 14260), (5290, 10726), (5363, 10580), (7130, 7958)]