31945320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2689}}^1$

素因数の和:2720

約数の個数: 128

約数和(自身を含む): 116208000

約数和(自身を除く): 84262680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2689, 2970, 3960, 5378, 5940, 8067, 10756, 11880, 13445, 16134, 21512, 24201, 26890, 29579, 32268, 40335, 48402, 53780, 59158, 64536, 72603, 80670, 88737, 96804, 107560, 118316, 121005, 145206, 147895, 161340, 177474, 193608, 236632, 242010, 266211, 290412, 295790, 322680, 354948, 363015, 443685, 484020, 532422, 580824, 591580, 709896, 726030, 798633, 887370, 968040, 1064844, 1183160, 1331055, 1452060, 1597266, 1774740, 2129688, 2662110, 2904120, 3194532, 3549480, 3993165, 5324220, 6389064, 7986330, 10648440, 15972660, 31945320]

約数ペア:

[(1, 31945320), (2, 15972660), (3, 10648440), (4, 7986330), (5, 6389064), (6, 5324220), (8, 3993165), (9, 3549480), (10, 3194532), (11, 2904120), (12, 2662110), (15, 2129688), (18, 1774740), (20, 1597266), (22, 1452060), (24, 1331055), (27, 1183160), (30, 1064844), (33, 968040), (36, 887370), (40, 798633), (44, 726030), (45, 709896), (54, 591580), (55, 580824), (60, 532422), (66, 484020), (72, 443685), (88, 363015), (90, 354948), (99, 322680), (108, 295790), (110, 290412), (120, 266211), (132, 242010), (135, 236632), (165, 193608), (180, 177474), (198, 161340), (216, 147895), (220, 145206), (264, 121005), (270, 118316), (297, 107560), (330, 96804), (360, 88737), (396, 80670), (440, 72603), (495, 64536), (540, 59158), (594, 53780), (660, 48402), (792, 40335), (990, 32268), (1080, 29579), (1188, 26890), (1320, 24201), (1485, 21512), (1980, 16134), (2376, 13445), (2689, 11880), (2970, 10756), (3960, 8067), (5378, 5940)]