31994480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 93327360

約数和(自身を除く): 61332880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 97, 112, 124, 133, 140, 152, 155, 190, 194, 217, 248, 266, 280, 304, 310, 380, 388, 434, 485, 496, 532, 560, 589, 620, 665, 679, 760, 776, 868, 970, 1064, 1085, 1178, 1240, 1330, 1358, 1520, 1552, 1736, 1843, 1940, 2128, 2170, 2356, 2480, 2660, 2716, 2945, 3007, 3395, 3472, 3686, 3880, 4123, 4340, 4712, 5320, 5432, 5890, 6014, 6790, 7372, 7760, 8246, 8680, 9215, 9424, 10640, 10864, 11780, 12028, 12901, 13580, 14744, 15035, 16492, 17360, 18430, 20615, 21049, 23560, 24056, 25802, 27160, 29488, 30070, 32984, 36860, 41230, 42098, 47120, 48112, 51604, 54320, 57133, 60140, 64505, 65968, 73720, 82460, 84196, 103208, 105245, 114266, 120280, 129010, 147440, 164920, 168392, 206416, 210490, 228532, 240560, 258020, 285665, 329840, 336784, 399931, 420980, 457064, 516040, 571330, 799862, 841960, 914128, 1032080, 1142660, 1599724, 1683920, 1999655, 2285320, 3199448, 3999310, 4570640, 6398896, 7998620, 15997240, 31994480]

約数ペア:

[(1, 31994480), (2, 15997240), (4, 7998620), (5, 6398896), (7, 4570640), (8, 3999310), (10, 3199448), (14, 2285320), (16, 1999655), (19, 1683920), (20, 1599724), (28, 1142660), (31, 1032080), (35, 914128), (38, 841960), (40, 799862), (56, 571330), (62, 516040), (70, 457064), (76, 420980), (80, 399931), (95, 336784), (97, 329840), (112, 285665), (124, 258020), (133, 240560), (140, 228532), (152, 210490), (155, 206416), (190, 168392), (194, 164920), (217, 147440), (248, 129010), (266, 120280), (280, 114266), (304, 105245), (310, 103208), (380, 84196), (388, 82460), (434, 73720), (485, 65968), (496, 64505), (532, 60140), (560, 57133), (589, 54320), (620, 51604), (665, 48112), (679, 47120), (760, 42098), (776, 41230), (868, 36860), (970, 32984), (1064, 30070), (1085, 29488), (1178, 27160), (1240, 25802), (1330, 24056), (1358, 23560), (1520, 21049), (1552, 20615), (1736, 18430), (1843, 17360), (1940, 16492), (2128, 15035), (2170, 14744), (2356, 13580), (2480, 12901), (2660, 12028), (2716, 11780), (2945, 10864), (3007, 10640), (3395, 9424), (3472, 9215), (3686, 8680), (3880, 8246), (4123, 7760), (4340, 7372), (4712, 6790), (5320, 6014), (5432, 5890)]