31562960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 89994240

約数和(自身を除く): 58431280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 89, 104, 110, 124, 130, 143, 155, 176, 178, 208, 220, 248, 260, 286, 310, 341, 356, 403, 440, 445, 496, 520, 572, 620, 682, 712, 715, 806, 880, 890, 979, 1040, 1144, 1157, 1240, 1364, 1424, 1430, 1612, 1705, 1780, 1958, 2015, 2288, 2314, 2480, 2728, 2759, 2860, 3224, 3410, 3560, 3916, 4030, 4433, 4628, 4895, 5456, 5518, 5720, 5785, 6448, 6820, 7120, 7832, 8060, 8866, 9256, 9790, 11036, 11440, 11570, 12727, 13640, 13795, 15664, 16120, 17732, 18512, 19580, 22072, 22165, 23140, 25454, 27280, 27590, 30349, 32240, 35464, 35867, 39160, 44144, 44330, 46280, 50908, 55180, 60698, 63635, 70928, 71734, 78320, 88660, 92560, 101816, 110360, 121396, 127270, 143468, 151745, 177320, 179335, 203632, 220720, 242792, 254540, 286936, 303490, 354640, 358670, 394537, 485584, 509080, 573872, 606980, 717340, 789074, 1018160, 1213960, 1434680, 1578148, 1972685, 2427920, 2869360, 3156296, 3945370, 6312592, 7890740, 15781480, 31562960]

約数ペア:

[(1, 31562960), (2, 15781480), (4, 7890740), (5, 6312592), (8, 3945370), (10, 3156296), (11, 2869360), (13, 2427920), (16, 1972685), (20, 1578148), (22, 1434680), (26, 1213960), (31, 1018160), (40, 789074), (44, 717340), (52, 606980), (55, 573872), (62, 509080), (65, 485584), (80, 394537), (88, 358670), (89, 354640), (104, 303490), (110, 286936), (124, 254540), (130, 242792), (143, 220720), (155, 203632), (176, 179335), (178, 177320), (208, 151745), (220, 143468), (248, 127270), (260, 121396), (286, 110360), (310, 101816), (341, 92560), (356, 88660), (403, 78320), (440, 71734), (445, 70928), (496, 63635), (520, 60698), (572, 55180), (620, 50908), (682, 46280), (712, 44330), (715, 44144), (806, 39160), (880, 35867), (890, 35464), (979, 32240), (1040, 30349), (1144, 27590), (1157, 27280), (1240, 25454), (1364, 23140), (1424, 22165), (1430, 22072), (1612, 19580), (1705, 18512), (1780, 17732), (1958, 16120), (2015, 15664), (2288, 13795), (2314, 13640), (2480, 12727), (2728, 11570), (2759, 11440), (2860, 11036), (3224, 9790), (3410, 9256), (3560, 8866), (3916, 8060), (4030, 7832), (4433, 7120), (4628, 6820), (4895, 6448), (5456, 5785), (5518, 5720)]