216903280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7951}}^1$

素因数の和:8006

約数の個数: 80

約数和(自身を含む): 567963648

約数和(自身を除く): 351060368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 7951, 13640, 15902, 27280, 31804, 39755, 63608, 79510, 87461, 127216, 159020, 174922, 246481, 318040, 349844, 437305, 492962, 636080, 699688, 874610, 985924, 1232405, 1399376, 1749220, 1971848, 2464810, 2711291, 3498440, 3943696, 4929620, 5422582, 6996880, 9859240, 10845164, 13556455, 19718480, 21690328, 27112910, 43380656, 54225820, 108451640, 216903280]

約数ペア:

[(1, 216903280), (2, 108451640), (4, 54225820), (5, 43380656), (8, 27112910), (10, 21690328), (11, 19718480), (16, 13556455), (20, 10845164), (22, 9859240), (31, 6996880), (40, 5422582), (44, 4929620), (55, 3943696), (62, 3498440), (80, 2711291), (88, 2464810), (110, 1971848), (124, 1749220), (155, 1399376), (176, 1232405), (220, 985924), (248, 874610), (310, 699688), (341, 636080), (440, 492962), (496, 437305), (620, 349844), (682, 318040), (880, 246481), (1240, 174922), (1364, 159020), (1705, 127216), (2480, 87461), (2728, 79510), (3410, 63608), (5456, 39755), (6820, 31804), (7951, 27280), (13640, 15902)]