258890580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:700

約数の個数: 240

約数和(自身を含む): 922078080

約数和(自身を除く): 663187500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 468, 494, 513, 540, 570, 585, 647, 684, 702, 741, 780, 810, 855, 988, 1026, 1053, 1140, 1170, 1235, 1294, 1404, 1482, 1539, 1620, 1710, 1755, 1941, 2052, 2106, 2223, 2340, 2470, 2565, 2588, 2964, 3078, 3235, 3420, 3510, 3705, 3882, 4212, 4446, 4940, 5130, 5265, 5823, 6156, 6470, 6669, 7020, 7410, 7695, 7764, 8411, 8892, 9705, 10260, 10530, 11115, 11646, 12293, 12940, 13338, 14820, 15390, 16822, 17469, 19410, 20007, 21060, 22230, 23292, 24586, 25233, 26676, 29115, 30780, 33345, 33644, 34938, 36879, 38820, 40014, 42055, 44460, 49172, 50466, 52407, 58230, 61465, 66690, 69876, 73758, 75699, 80028, 84110, 87345, 100035, 100932, 104814, 110637, 116460, 122930, 126165, 133380, 147516, 151398, 159809, 168220, 174690, 184395, 200070, 209628, 221274, 227097, 245860, 252330, 262035, 302796, 319618, 331911, 349380, 368790, 378495, 400140, 442548, 454194, 479427, 504660, 524070, 553185, 639236, 663822, 681291, 737580, 756990, 799045, 908388, 958854, 995733, 1048140, 1106370, 1135485, 1327644, 1362582, 1438281, 1513980, 1598090, 1659555, 1917708, 1991466, 2212740, 2270970, 2397135, 2725164, 2876562, 3196180, 3319110, 3406455, 3982932, 4314843, 4541940, 4794270, 4978665, 5753124, 6638220, 6812910, 7191405, 8629686, 9588540, 9957330, 12944529, 13625820, 14382810, 17259372, 19914660, 21574215, 25889058, 28765620, 43148430, 51778116, 64722645, 86296860, 129445290, 258890580]

約数ペア:

[(1, 258890580), (2, 129445290), (3, 86296860), (4, 64722645), (5, 51778116), (6, 43148430), (9, 28765620), (10, 25889058), (12, 21574215), (13, 19914660), (15, 17259372), (18, 14382810), (19, 13625820), (20, 12944529), (26, 9957330), (27, 9588540), (30, 8629686), (36, 7191405), (38, 6812910), (39, 6638220), (45, 5753124), (52, 4978665), (54, 4794270), (57, 4541940), (60, 4314843), (65, 3982932), (76, 3406455), (78, 3319110), (81, 3196180), (90, 2876562), (95, 2725164), (108, 2397135), (114, 2270970), (117, 2212740), (130, 1991466), (135, 1917708), (156, 1659555), (162, 1598090), (171, 1513980), (180, 1438281), (190, 1362582), (195, 1327644), (228, 1135485), (234, 1106370), (247, 1048140), (260, 995733), (270, 958854), (285, 908388), (324, 799045), (342, 756990), (351, 737580), (380, 681291), (390, 663822), (405, 639236), (468, 553185), (494, 524070), (513, 504660), (540, 479427), (570, 454194), (585, 442548), (647, 400140), (684, 378495), (702, 368790), (741, 349380), (780, 331911), (810, 319618), (855, 302796), (988, 262035), (1026, 252330), (1053, 245860), (1140, 227097), (1170, 221274), (1235, 209628), (1294, 200070), (1404, 184395), (1482, 174690), (1539, 168220), (1620, 159809), (1710, 151398), (1755, 147516), (1941, 133380), (2052, 126165), (2106, 122930), (2223, 116460), (2340, 110637), (2470, 104814), (2565, 100932), (2588, 100035), (2964, 87345), (3078, 84110), (3235, 80028), (3420, 75699), (3510, 73758), (3705, 69876), (3882, 66690), (4212, 61465), (4446, 58230), (4940, 52407), (5130, 50466), (5265, 49172), (5823, 44460), (6156, 42055), (6470, 40014), (6669, 38820), (7020, 36879), (7410, 34938), (7695, 33644), (7764, 33345), (8411, 30780), (8892, 29115), (9705, 26676), (10260, 25233), (10530, 24586), (11115, 23292), (11646, 22230), (12293, 21060), (12940, 20007), (13338, 19410), (14820, 17469), (15390, 16822)]