251425980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{773}}^1$

素因数の和:940

約数の個数: 144

約数和(自身を含む): 828303840

約数和(自身を除く): 576877860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 139, 156, 180, 195, 234, 260, 278, 390, 417, 468, 556, 585, 695, 773, 780, 834, 1170, 1251, 1390, 1546, 1668, 1807, 2085, 2319, 2340, 2502, 2780, 3092, 3614, 3865, 4170, 4638, 5004, 5421, 6255, 6957, 7228, 7730, 8340, 9035, 9276, 10049, 10842, 11595, 12510, 13914, 15460, 16263, 18070, 20098, 21684, 23190, 25020, 27105, 27828, 30147, 32526, 34785, 36140, 40196, 46380, 50245, 54210, 60294, 65052, 69570, 81315, 90441, 100490, 107447, 108420, 120588, 139140, 150735, 162630, 180882, 200980, 214894, 301470, 322341, 325260, 361764, 429788, 452205, 537235, 602940, 644682, 904410, 967023, 1074470, 1289364, 1396811, 1611705, 1808820, 1934046, 2148940, 2793622, 3223410, 3868092, 4190433, 4835115, 5587244, 6446820, 6984055, 8380866, 9670230, 12571299, 13968110, 16761732, 19340460, 20952165, 25142598, 27936220, 41904330, 50285196, 62856495, 83808660, 125712990, 251425980]

約数ペア:

[(1, 251425980), (2, 125712990), (3, 83808660), (4, 62856495), (5, 50285196), (6, 41904330), (9, 27936220), (10, 25142598), (12, 20952165), (13, 19340460), (15, 16761732), (18, 13968110), (20, 12571299), (26, 9670230), (30, 8380866), (36, 6984055), (39, 6446820), (45, 5587244), (52, 4835115), (60, 4190433), (65, 3868092), (78, 3223410), (90, 2793622), (117, 2148940), (130, 1934046), (139, 1808820), (156, 1611705), (180, 1396811), (195, 1289364), (234, 1074470), (260, 967023), (278, 904410), (390, 644682), (417, 602940), (468, 537235), (556, 452205), (585, 429788), (695, 361764), (773, 325260), (780, 322341), (834, 301470), (1170, 214894), (1251, 200980), (1390, 180882), (1546, 162630), (1668, 150735), (1807, 139140), (2085, 120588), (2319, 108420), (2340, 107447), (2502, 100490), (2780, 90441), (3092, 81315), (3614, 69570), (3865, 65052), (4170, 60294), (4638, 54210), (5004, 50245), (5421, 46380), (6255, 40196), (6957, 36140), (7228, 34785), (7730, 32526), (8340, 30147), (9035, 27828), (9276, 27105), (10049, 25020), (10842, 23190), (11595, 21684), (12510, 20098), (13914, 18070), (15460, 16263)]