71499640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 175190400

約数和(自身を除く): 103690760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 109, 115, 124, 155, 184, 218, 230, 248, 310, 436, 460, 529, 545, 620, 713, 872, 920, 1058, 1090, 1240, 1426, 2116, 2180, 2507, 2645, 2852, 3379, 3565, 4232, 4360, 5014, 5290, 5704, 6758, 7130, 10028, 10580, 12535, 13516, 14260, 16399, 16895, 20056, 21160, 25070, 27032, 28520, 32798, 33790, 50140, 57661, 65596, 67580, 77717, 81995, 100280, 115322, 131192, 135160, 155434, 163990, 230644, 288305, 310868, 327980, 388585, 461288, 576610, 621736, 655960, 777170, 1153220, 1554340, 1787491, 2306440, 3108680, 3574982, 7149964, 8937455, 14299928, 17874910, 35749820, 71499640]

約数ペア:

[(1, 71499640), (2, 35749820), (4, 17874910), (5, 14299928), (8, 8937455), (10, 7149964), (20, 3574982), (23, 3108680), (31, 2306440), (40, 1787491), (46, 1554340), (62, 1153220), (92, 777170), (109, 655960), (115, 621736), (124, 576610), (155, 461288), (184, 388585), (218, 327980), (230, 310868), (248, 288305), (310, 230644), (436, 163990), (460, 155434), (529, 135160), (545, 131192), (620, 115322), (713, 100280), (872, 81995), (920, 77717), (1058, 67580), (1090, 65596), (1240, 57661), (1426, 50140), (2116, 33790), (2180, 32798), (2507, 28520), (2645, 27032), (2852, 25070), (3379, 21160), (3565, 20056), (4232, 16895), (4360, 16399), (5014, 14260), (5290, 13516), (5704, 12535), (6758, 10580), (7130, 10028)]