1813788990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:428

約数の個数: 256

約数和(自身を含む): 5584723200

約数和(自身を除く): 3770934210

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 85, 90, 102, 113, 117, 130, 135, 153, 170, 195, 221, 226, 234, 255, 269, 270, 306, 339, 351, 390, 442, 459, 510, 538, 565, 585, 663, 678, 702, 765, 807, 918, 1017, 1105, 1130, 1170, 1326, 1345, 1469, 1530, 1614, 1695, 1755, 1921, 1989, 2034, 2210, 2295, 2421, 2690, 2938, 3051, 3315, 3390, 3497, 3510, 3842, 3978, 4035, 4407, 4573, 4590, 4842, 5085, 5763, 5967, 6102, 6630, 6994, 7263, 7345, 8070, 8814, 9146, 9605, 9945, 10170, 10491, 11526, 11934, 12105, 13221, 13719, 14526, 14690, 15255, 17289, 17485, 19210, 19890, 20982, 22035, 22865, 24210, 24973, 26442, 27438, 28815, 29835, 30397, 30510, 31473, 34578, 34970, 36315, 39663, 41157, 44070, 45730, 49946, 51867, 52455, 57630, 59449, 59670, 60794, 62946, 66105, 68595, 72630, 74919, 79326, 82314, 86445, 91191, 94419, 103734, 104910, 118898, 123471, 124865, 132210, 137190, 149838, 151985, 157365, 172890, 178347, 182382, 188838, 198315, 205785, 224757, 246942, 249730, 259335, 273573, 297245, 303970, 314730, 356694, 374595, 395161, 396630, 411570, 449514, 455955, 472095, 516749, 518670, 535041, 547146, 594490, 617355, 674271, 749190, 790322, 820719, 891735, 911910, 944190, 1033498, 1070082, 1123785, 1185483, 1234710, 1348542, 1367865, 1550247, 1605123, 1641438, 1783470, 1975805, 2247570, 2370966, 2583745, 2675205, 2735730, 3100494, 3210246, 3371355, 3556449, 3951610, 4103595, 4650741, 5167490, 5350410, 5927415, 6717737, 6742710, 7112898, 7751235, 8025615, 8207190, 9301482, 10669347, 11854830, 13435474, 13952223, 15502470, 16051230, 17782245, 20153211, 21338694, 23253705, 27904446, 33588685, 35564490, 40306422, 46507410, 53346735, 60459633, 67177370, 69761115, 100766055, 106693470, 120919266, 139522230, 181378899, 201532110, 302298165, 362757798, 604596330, 906894495, 1813788990]

約数ペア:

[(1, 1813788990), (2, 906894495), (3, 604596330), (5, 362757798), (6, 302298165), (9, 201532110), (10, 181378899), (13, 139522230), (15, 120919266), (17, 106693470), (18, 100766055), (26, 69761115), (27, 67177370), (30, 60459633), (34, 53346735), (39, 46507410), (45, 40306422), (51, 35564490), (54, 33588685), (65, 27904446), (78, 23253705), (85, 21338694), (90, 20153211), (102, 17782245), (113, 16051230), (117, 15502470), (130, 13952223), (135, 13435474), (153, 11854830), (170, 10669347), (195, 9301482), (221, 8207190), (226, 8025615), (234, 7751235), (255, 7112898), (269, 6742710), (270, 6717737), (306, 5927415), (339, 5350410), (351, 5167490), (390, 4650741), (442, 4103595), (459, 3951610), (510, 3556449), (538, 3371355), (565, 3210246), (585, 3100494), (663, 2735730), (678, 2675205), (702, 2583745), (765, 2370966), (807, 2247570), (918, 1975805), (1017, 1783470), (1105, 1641438), (1130, 1605123), (1170, 1550247), (1326, 1367865), (1345, 1348542), (1469, 1234710), (1530, 1185483), (1614, 1123785), (1695, 1070082), (1755, 1033498), (1921, 944190), (1989, 911910), (2034, 891735), (2210, 820719), (2295, 790322), (2421, 749190), (2690, 674271), (2938, 617355), (3051, 594490), (3315, 547146), (3390, 535041), (3497, 518670), (3510, 516749), (3842, 472095), (3978, 455955), (4035, 449514), (4407, 411570), (4573, 396630), (4590, 395161), (4842, 374595), (5085, 356694), (5763, 314730), (5967, 303970), (6102, 297245), (6630, 273573), (6994, 259335), (7263, 249730), (7345, 246942), (8070, 224757), (8814, 205785), (9146, 198315), (9605, 188838), (9945, 182382), (10170, 178347), (10491, 172890), (11526, 157365), (11934, 151985), (12105, 149838), (13221, 137190), (13719, 132210), (14526, 124865), (14690, 123471), (15255, 118898), (17289, 104910), (17485, 103734), (19210, 94419), (19890, 91191), (20982, 86445), (22035, 82314), (22865, 79326), (24210, 74919), (24973, 72630), (26442, 68595), (27438, 66105), (28815, 62946), (29835, 60794), (30397, 59670), (30510, 59449), (31473, 57630), (34578, 52455), (34970, 51867), (36315, 49946), (39663, 45730), (41157, 44070)]