271782940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 692574624

約数和(自身を除く): 420791684

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 53, 55, 65, 106, 110, 121, 130, 143, 163, 212, 220, 242, 260, 265, 286, 326, 484, 530, 572, 583, 605, 652, 689, 715, 815, 1060, 1166, 1210, 1378, 1430, 1573, 1630, 1793, 2119, 2332, 2420, 2756, 2860, 2915, 3146, 3260, 3445, 3586, 4238, 5830, 6292, 6413, 6890, 7172, 7579, 7865, 8476, 8639, 8965, 10595, 11660, 12826, 13780, 15158, 15730, 17278, 17930, 19723, 21190, 23309, 25652, 30316, 31460, 32065, 34556, 35860, 37895, 39446, 42380, 43195, 46618, 64130, 75790, 78892, 83369, 86390, 93236, 95029, 98615, 112307, 116545, 128260, 151580, 166738, 172780, 190058, 197230, 224614, 233090, 256399, 333476, 380116, 394460, 416845, 449228, 466180, 475145, 512798, 561535, 833690, 950290, 1025596, 1045319, 1123070, 1235377, 1281995, 1667380, 1900580, 2090638, 2246140, 2470754, 2563990, 4181276, 4941508, 5127980, 5226595, 6176885, 10453190, 12353770, 13589147, 20906380, 24707540, 27178294, 54356588, 67945735, 135891470, 271782940]

約数ペア:

[(1, 271782940), (2, 135891470), (4, 67945735), (5, 54356588), (10, 27178294), (11, 24707540), (13, 20906380), (20, 13589147), (22, 12353770), (26, 10453190), (44, 6176885), (52, 5226595), (53, 5127980), (55, 4941508), (65, 4181276), (106, 2563990), (110, 2470754), (121, 2246140), (130, 2090638), (143, 1900580), (163, 1667380), (212, 1281995), (220, 1235377), (242, 1123070), (260, 1045319), (265, 1025596), (286, 950290), (326, 833690), (484, 561535), (530, 512798), (572, 475145), (583, 466180), (605, 449228), (652, 416845), (689, 394460), (715, 380116), (815, 333476), (1060, 256399), (1166, 233090), (1210, 224614), (1378, 197230), (1430, 190058), (1573, 172780), (1630, 166738), (1793, 151580), (2119, 128260), (2332, 116545), (2420, 112307), (2756, 98615), (2860, 95029), (2915, 93236), (3146, 86390), (3260, 83369), (3445, 78892), (3586, 75790), (4238, 64130), (5830, 46618), (6292, 43195), (6413, 42380), (6890, 39446), (7172, 37895), (7579, 35860), (7865, 34556), (8476, 32065), (8639, 31460), (8965, 30316), (10595, 25652), (11660, 23309), (12826, 21190), (13780, 19723), (15158, 17930), (15730, 17278)]