28531160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 80179200

約数和(自身を除く): 51648040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 173, 190, 217, 248, 266, 280, 310, 346, 380, 434, 532, 589, 620, 665, 692, 760, 865, 868, 1064, 1085, 1178, 1211, 1240, 1330, 1384, 1730, 1736, 2170, 2356, 2422, 2660, 2945, 3287, 3460, 4123, 4340, 4712, 4844, 5320, 5363, 5890, 6055, 6574, 6920, 8246, 8680, 9688, 10726, 11780, 12110, 13148, 16435, 16492, 20615, 21452, 23009, 23560, 24220, 26296, 26815, 32870, 32984, 37541, 41230, 42904, 46018, 48440, 53630, 65740, 75082, 82460, 92036, 101897, 107260, 115045, 131480, 150164, 164920, 184072, 187705, 203794, 214520, 230090, 300328, 375410, 407588, 460180, 509485, 713279, 750820, 815176, 920360, 1018970, 1426558, 1501640, 2037940, 2853116, 3566395, 4075880, 5706232, 7132790, 14265580, 28531160]

約数ペア:

[(1, 28531160), (2, 14265580), (4, 7132790), (5, 5706232), (7, 4075880), (8, 3566395), (10, 2853116), (14, 2037940), (19, 1501640), (20, 1426558), (28, 1018970), (31, 920360), (35, 815176), (38, 750820), (40, 713279), (56, 509485), (62, 460180), (70, 407588), (76, 375410), (95, 300328), (124, 230090), (133, 214520), (140, 203794), (152, 187705), (155, 184072), (173, 164920), (190, 150164), (217, 131480), (248, 115045), (266, 107260), (280, 101897), (310, 92036), (346, 82460), (380, 75082), (434, 65740), (532, 53630), (589, 48440), (620, 46018), (665, 42904), (692, 41230), (760, 37541), (865, 32984), (868, 32870), (1064, 26815), (1085, 26296), (1178, 24220), (1211, 23560), (1240, 23009), (1330, 21452), (1384, 20615), (1730, 16492), (1736, 16435), (2170, 13148), (2356, 12110), (2422, 11780), (2660, 10726), (2945, 9688), (3287, 8680), (3460, 8246), (4123, 6920), (4340, 6574), (4712, 6055), (4844, 5890), (5320, 5363)]