251973540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15383}}^1$

素因数の和:15418

約数の個数: 144

約数和(自身を含む): 940762368

約数和(自身を除く): 688788828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 15383, 16380, 30766, 46149, 61532, 76915, 92298, 107681, 138447, 153830, 184596, 199979, 215362, 230745, 276894, 307660, 323043, 399958, 430724, 461490, 538405, 553788, 599937, 646086, 692235, 799916, 922980, 969129, 999895, 1076810, 1199874, 1292172, 1384470, 1399853, 1615215, 1799811, 1938258, 1999790, 2153620, 2399748, 2768940, 2799706, 2999685, 3230430, 3599622, 3876516, 3999580, 4199559, 4845645, 5599412, 5999370, 6460860, 6999265, 7199244, 8399118, 8999055, 9691290, 11998740, 12598677, 13998530, 16798236, 17998110, 19382580, 20997795, 25197354, 27997060, 35996220, 41995590, 50394708, 62993385, 83991180, 125986770, 251973540]

約数ペア:

[(1, 251973540), (2, 125986770), (3, 83991180), (4, 62993385), (5, 50394708), (6, 41995590), (7, 35996220), (9, 27997060), (10, 25197354), (12, 20997795), (13, 19382580), (14, 17998110), (15, 16798236), (18, 13998530), (20, 12598677), (21, 11998740), (26, 9691290), (28, 8999055), (30, 8399118), (35, 7199244), (36, 6999265), (39, 6460860), (42, 5999370), (45, 5599412), (52, 4845645), (60, 4199559), (63, 3999580), (65, 3876516), (70, 3599622), (78, 3230430), (84, 2999685), (90, 2799706), (91, 2768940), (105, 2399748), (117, 2153620), (126, 1999790), (130, 1938258), (140, 1799811), (156, 1615215), (180, 1399853), (182, 1384470), (195, 1292172), (210, 1199874), (234, 1076810), (252, 999895), (260, 969129), (273, 922980), (315, 799916), (364, 692235), (390, 646086), (420, 599937), (455, 553788), (468, 538405), (546, 461490), (585, 430724), (630, 399958), (780, 323043), (819, 307660), (910, 276894), (1092, 230745), (1170, 215362), (1260, 199979), (1365, 184596), (1638, 153830), (1820, 138447), (2340, 107681), (2730, 92298), (3276, 76915), (4095, 61532), (5460, 46149), (8190, 30766), (15383, 16380)]