865980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 2791152

約数和(自身を除く): 1925172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 283, 306, 340, 510, 566, 612, 765, 849, 1020, 1132, 1415, 1530, 1698, 2547, 2830, 3060, 3396, 4245, 4811, 5094, 5660, 8490, 9622, 10188, 12735, 14433, 16980, 19244, 24055, 25470, 28866, 43299, 48110, 50940, 57732, 72165, 86598, 96220, 144330, 173196, 216495, 288660, 432990, 865980]

約数ペア:

[(1, 865980), (2, 432990), (3, 288660), (4, 216495), (5, 173196), (6, 144330), (9, 96220), (10, 86598), (12, 72165), (15, 57732), (17, 50940), (18, 48110), (20, 43299), (30, 28866), (34, 25470), (36, 24055), (45, 19244), (51, 16980), (60, 14433), (68, 12735), (85, 10188), (90, 9622), (102, 8490), (153, 5660), (170, 5094), (180, 4811), (204, 4245), (255, 3396), (283, 3060), (306, 2830), (340, 2547), (510, 1698), (566, 1530), (612, 1415), (765, 1132), (849, 1020)]