28782450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:568

約数の個数: 72

約数和(自身を含む): 77995008

約数和(自身を除く): 49212558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 167, 225, 334, 383, 450, 501, 766, 835, 1002, 1149, 1503, 1670, 1915, 2298, 2505, 3006, 3447, 3830, 4175, 5010, 5745, 6894, 7515, 8350, 9575, 11490, 12525, 15030, 17235, 19150, 25050, 28725, 34470, 37575, 57450, 63961, 75150, 86175, 127922, 172350, 191883, 319805, 383766, 575649, 639610, 959415, 1151298, 1599025, 1918830, 2878245, 3198050, 4797075, 5756490, 9594150, 14391225, 28782450]

約数ペア:

[(1, 28782450), (2, 14391225), (3, 9594150), (5, 5756490), (6, 4797075), (9, 3198050), (10, 2878245), (15, 1918830), (18, 1599025), (25, 1151298), (30, 959415), (45, 639610), (50, 575649), (75, 383766), (90, 319805), (150, 191883), (167, 172350), (225, 127922), (334, 86175), (383, 75150), (450, 63961), (501, 57450), (766, 37575), (835, 34470), (1002, 28725), (1149, 25050), (1503, 19150), (1670, 17235), (1915, 15030), (2298, 12525), (2505, 11490), (3006, 9575), (3447, 8350), (3830, 7515), (4175, 6894), (5010, 5745)]