17998920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 62499060

約数和(自身を除く): 44500140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 173, 180, 204, 255, 289, 306, 340, 346, 360, 408, 510, 519, 578, 612, 680, 692, 765, 865, 867, 1020, 1038, 1156, 1224, 1384, 1445, 1530, 1557, 1730, 1734, 2040, 2076, 2312, 2595, 2601, 2890, 2941, 3060, 3114, 3460, 3468, 4152, 4335, 5190, 5202, 5780, 5882, 6120, 6228, 6920, 6936, 7785, 8670, 8823, 10380, 10404, 11560, 11764, 12456, 13005, 14705, 15570, 17340, 17646, 20760, 20808, 23528, 26010, 26469, 29410, 31140, 34680, 35292, 44115, 49997, 52020, 52938, 58820, 62280, 70584, 88230, 99994, 104040, 105876, 117640, 132345, 149991, 176460, 199988, 211752, 249985, 264690, 299982, 352920, 399976, 449973, 499970, 529380, 599964, 749955, 899946, 999940, 1058760, 1199928, 1499910, 1799892, 1999880, 2249865, 2999820, 3599784, 4499730, 5999640, 8999460, 17998920]

約数ペア:

[(1, 17998920), (2, 8999460), (3, 5999640), (4, 4499730), (5, 3599784), (6, 2999820), (8, 2249865), (9, 1999880), (10, 1799892), (12, 1499910), (15, 1199928), (17, 1058760), (18, 999940), (20, 899946), (24, 749955), (30, 599964), (34, 529380), (36, 499970), (40, 449973), (45, 399976), (51, 352920), (60, 299982), (68, 264690), (72, 249985), (85, 211752), (90, 199988), (102, 176460), (120, 149991), (136, 132345), (153, 117640), (170, 105876), (173, 104040), (180, 99994), (204, 88230), (255, 70584), (289, 62280), (306, 58820), (340, 52938), (346, 52020), (360, 49997), (408, 44115), (510, 35292), (519, 34680), (578, 31140), (612, 29410), (680, 26469), (692, 26010), (765, 23528), (865, 20808), (867, 20760), (1020, 17646), (1038, 17340), (1156, 15570), (1224, 14705), (1384, 13005), (1445, 12456), (1530, 11764), (1557, 11560), (1730, 10404), (1734, 10380), (2040, 8823), (2076, 8670), (2312, 7785), (2595, 6936), (2601, 6920), (2890, 6228), (2941, 6120), (3060, 5882), (3114, 5780), (3460, 5202), (3468, 5190), (4152, 4335)]