1805041980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{4957}}^1$

素因数の和:5013

約数の個数: 216

約数和(自身を含む): 6648559008

約数和(自身を除く): 4843517028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 289, 306, 315, 340, 357, 420, 476, 510, 578, 595, 612, 630, 714, 765, 867, 1020, 1071, 1156, 1190, 1260, 1428, 1445, 1530, 1734, 1785, 2023, 2142, 2380, 2601, 2890, 3060, 3468, 3570, 4046, 4284, 4335, 4957, 5202, 5355, 5780, 6069, 7140, 8092, 8670, 9914, 10115, 10404, 10710, 12138, 13005, 14871, 17340, 18207, 19828, 20230, 21420, 24276, 24785, 26010, 29742, 30345, 34699, 36414, 40460, 44613, 49570, 52020, 59484, 60690, 69398, 72828, 74355, 84269, 89226, 91035, 99140, 104097, 121380, 138796, 148710, 168538, 173495, 178452, 182070, 208194, 223065, 252807, 297420, 312291, 337076, 346990, 364140, 416388, 421345, 446130, 505614, 520485, 589883, 624582, 693980, 758421, 842690, 892260, 1011228, 1040970, 1179766, 1249164, 1264035, 1432573, 1516842, 1561455, 1685380, 1769649, 2081940, 2359532, 2528070, 2865146, 2949415, 3033684, 3122910, 3539298, 3792105, 4297719, 5056140, 5308947, 5730292, 5898830, 6245820, 7078596, 7162865, 7584210, 8595438, 8848245, 10028011, 10617894, 11797660, 12893157, 14325730, 15168420, 17190876, 17696490, 20056022, 21235788, 21488595, 25786314, 26544735, 28651460, 30084033, 35392980, 40112044, 42977190, 50140055, 51572628, 53089470, 60168066, 64465785, 85954380, 90252099, 100280110, 106178940, 120336132, 128931570, 150420165, 180504198, 200560220, 257863140, 300840330, 361008396, 451260495, 601680660, 902520990, 1805041980]

約数ペア:

[(1, 1805041980), (2, 902520990), (3, 601680660), (4, 451260495), (5, 361008396), (6, 300840330), (7, 257863140), (9, 200560220), (10, 180504198), (12, 150420165), (14, 128931570), (15, 120336132), (17, 106178940), (18, 100280110), (20, 90252099), (21, 85954380), (28, 64465785), (30, 60168066), (34, 53089470), (35, 51572628), (36, 50140055), (42, 42977190), (45, 40112044), (51, 35392980), (60, 30084033), (63, 28651460), (68, 26544735), (70, 25786314), (84, 21488595), (85, 21235788), (90, 20056022), (102, 17696490), (105, 17190876), (119, 15168420), (126, 14325730), (140, 12893157), (153, 11797660), (170, 10617894), (180, 10028011), (204, 8848245), (210, 8595438), (238, 7584210), (252, 7162865), (255, 7078596), (289, 6245820), (306, 5898830), (315, 5730292), (340, 5308947), (357, 5056140), (420, 4297719), (476, 3792105), (510, 3539298), (578, 3122910), (595, 3033684), (612, 2949415), (630, 2865146), (714, 2528070), (765, 2359532), (867, 2081940), (1020, 1769649), (1071, 1685380), (1156, 1561455), (1190, 1516842), (1260, 1432573), (1428, 1264035), (1445, 1249164), (1530, 1179766), (1734, 1040970), (1785, 1011228), (2023, 892260), (2142, 842690), (2380, 758421), (2601, 693980), (2890, 624582), (3060, 589883), (3468, 520485), (3570, 505614), (4046, 446130), (4284, 421345), (4335, 416388), (4957, 364140), (5202, 346990), (5355, 337076), (5780, 312291), (6069, 297420), (7140, 252807), (8092, 223065), (8670, 208194), (9914, 182070), (10115, 178452), (10404, 173495), (10710, 168538), (12138, 148710), (13005, 138796), (14871, 121380), (17340, 104097), (18207, 99140), (19828, 91035), (20230, 89226), (21420, 84269), (24276, 74355), (24785, 72828), (26010, 69398), (29742, 60690), (30345, 59484), (34699, 52020), (36414, 49570), (40460, 44613)]