291902820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1362

約数の個数: 144

約数和(自身を含む): 928080384

約数和(自身を除く): 636177564

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 121, 124, 132, 155, 165, 186, 220, 242, 310, 330, 341, 363, 372, 465, 484, 605, 620, 660, 682, 726, 930, 1023, 1210, 1297, 1364, 1452, 1705, 1815, 1860, 2046, 2420, 2594, 3410, 3630, 3751, 3891, 4092, 5115, 5188, 6485, 6820, 7260, 7502, 7782, 10230, 11253, 12970, 14267, 15004, 15564, 18755, 19455, 20460, 22506, 25940, 28534, 37510, 38910, 40207, 42801, 45012, 56265, 57068, 71335, 75020, 77820, 80414, 85602, 112530, 120621, 142670, 156937, 160828, 171204, 201035, 214005, 225060, 241242, 285340, 313874, 402070, 428010, 442277, 470811, 482484, 603105, 627748, 784685, 804140, 856020, 884554, 941622, 1206210, 1326831, 1569370, 1769108, 1883244, 2211385, 2354055, 2412420, 2653662, 3138740, 4422770, 4708110, 4865047, 5307324, 6634155, 8845540, 9416220, 9730094, 13268310, 14595141, 19460188, 24325235, 26536620, 29190282, 48650470, 58380564, 72975705, 97300940, 145951410, 291902820]

約数ペア:

[(1, 291902820), (2, 145951410), (3, 97300940), (4, 72975705), (5, 58380564), (6, 48650470), (10, 29190282), (11, 26536620), (12, 24325235), (15, 19460188), (20, 14595141), (22, 13268310), (30, 9730094), (31, 9416220), (33, 8845540), (44, 6634155), (55, 5307324), (60, 4865047), (62, 4708110), (66, 4422770), (93, 3138740), (110, 2653662), (121, 2412420), (124, 2354055), (132, 2211385), (155, 1883244), (165, 1769108), (186, 1569370), (220, 1326831), (242, 1206210), (310, 941622), (330, 884554), (341, 856020), (363, 804140), (372, 784685), (465, 627748), (484, 603105), (605, 482484), (620, 470811), (660, 442277), (682, 428010), (726, 402070), (930, 313874), (1023, 285340), (1210, 241242), (1297, 225060), (1364, 214005), (1452, 201035), (1705, 171204), (1815, 160828), (1860, 156937), (2046, 142670), (2420, 120621), (2594, 112530), (3410, 85602), (3630, 80414), (3751, 77820), (3891, 75020), (4092, 71335), (5115, 57068), (5188, 56265), (6485, 45012), (6820, 42801), (7260, 40207), (7502, 38910), (7782, 37510), (10230, 28534), (11253, 25940), (12970, 22506), (14267, 20460), (15004, 19455), (15564, 18755)]