1989270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:98

約数の個数: 72

約数和(自身を含む): 5576688

約数和(自身を除く): 3587418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 31, 45, 46, 62, 69, 90, 93, 115, 138, 155, 186, 207, 230, 279, 310, 345, 414, 465, 558, 690, 713, 930, 961, 1035, 1395, 1426, 1922, 2070, 2139, 2790, 2883, 3565, 4278, 4805, 5766, 6417, 7130, 8649, 9610, 10695, 12834, 14415, 17298, 21390, 22103, 28830, 32085, 43245, 44206, 64170, 66309, 86490, 110515, 132618, 198927, 221030, 331545, 397854, 663090, 994635, 1989270]

約数ペア:

[(1, 1989270), (2, 994635), (3, 663090), (5, 397854), (6, 331545), (9, 221030), (10, 198927), (15, 132618), (18, 110515), (23, 86490), (30, 66309), (31, 64170), (45, 44206), (46, 43245), (62, 32085), (69, 28830), (90, 22103), (93, 21390), (115, 17298), (138, 14415), (155, 12834), (186, 10695), (207, 9610), (230, 8649), (279, 7130), (310, 6417), (345, 5766), (414, 4805), (465, 4278), (558, 3565), (690, 2883), (713, 2790), (930, 2139), (961, 2070), (1035, 1922), (1395, 1426)]