81698940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26699}}^1$

素因数の和:26731

約数の個数: 72

約数和(自身を含む): 262407600

約数和(自身を除く): 180708660

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, 306, 340, 510, 612, 765, 1020, 1530, 3060, 26699, 53398, 80097, 106796, 133495, 160194, 240291, 266990, 320388, 400485, 453883, 480582, 533980, 800970, 907766, 961164, 1201455, 1361649, 1601940, 1815532, 2269415, 2402910, 2723298, 4084947, 4538830, 4805820, 5446596, 6808245, 8169894, 9077660, 13616490, 16339788, 20424735, 27232980, 40849470, 81698940]

約数ペア:

[(1, 81698940), (2, 40849470), (3, 27232980), (4, 20424735), (5, 16339788), (6, 13616490), (9, 9077660), (10, 8169894), (12, 6808245), (15, 5446596), (17, 4805820), (18, 4538830), (20, 4084947), (30, 2723298), (34, 2402910), (36, 2269415), (45, 1815532), (51, 1601940), (60, 1361649), (68, 1201455), (85, 961164), (90, 907766), (102, 800970), (153, 533980), (170, 480582), (180, 453883), (204, 400485), (255, 320388), (306, 266990), (340, 240291), (510, 160194), (612, 133495), (765, 106796), (1020, 80097), (1530, 53398), (3060, 26699)]