400229640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21799}}^1$

素因数の和:21836

約数の個数: 128

約数和(自身を含む): 1412640000

約数和(自身を除く): 1012410360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1224, 1530, 1836, 2040, 2295, 3060, 3672, 4590, 6120, 9180, 18360, 21799, 43598, 65397, 87196, 108995, 130794, 174392, 196191, 217990, 261588, 326985, 370583, 392382, 435980, 523176, 588573, 653970, 741166, 784764, 871960, 980955, 1111749, 1177146, 1307940, 1482332, 1569528, 1852915, 1961910, 2223498, 2354292, 2615880, 2942865, 2964664, 3335247, 3705830, 3923820, 4446996, 4708584, 5558745, 5885730, 6670494, 7411660, 7847640, 8893992, 10005741, 11117490, 11771460, 13340988, 14823320, 16676235, 20011482, 22234980, 23542920, 26681976, 33352470, 40022964, 44469960, 50028705, 66704940, 80045928, 100057410, 133409880, 200114820, 400229640]

約数ペア:

[(1, 400229640), (2, 200114820), (3, 133409880), (4, 100057410), (5, 80045928), (6, 66704940), (8, 50028705), (9, 44469960), (10, 40022964), (12, 33352470), (15, 26681976), (17, 23542920), (18, 22234980), (20, 20011482), (24, 16676235), (27, 14823320), (30, 13340988), (34, 11771460), (36, 11117490), (40, 10005741), (45, 8893992), (51, 7847640), (54, 7411660), (60, 6670494), (68, 5885730), (72, 5558745), (85, 4708584), (90, 4446996), (102, 3923820), (108, 3705830), (120, 3335247), (135, 2964664), (136, 2942865), (153, 2615880), (170, 2354292), (180, 2223498), (204, 1961910), (216, 1852915), (255, 1569528), (270, 1482332), (306, 1307940), (340, 1177146), (360, 1111749), (408, 980955), (459, 871960), (510, 784764), (540, 741166), (612, 653970), (680, 588573), (765, 523176), (918, 435980), (1020, 392382), (1080, 370583), (1224, 326985), (1530, 261588), (1836, 217990), (2040, 196191), (2295, 174392), (3060, 130794), (3672, 108995), (4590, 87196), (6120, 65397), (9180, 43598), (18360, 21799)]